Find the LCD for the fractions in each list. See Examples 13.9x - z16z - x

Choose the correct response in Exercises 14 Suppose that the greatest common factor of x and y is 1. What is the least common denominator for and ? A. x B. y C. xy D. 1

Choose the correct response in Exercises 14 If x is a factor of y, what is the least common denominator for and ? A. x B. y C. xy D. 1

Choose the correct response in Exercises 14 What is the least common denominator for and ? A. 40 B. 2 C. 20 D. none of these

Choose the correct response in Exercises 14 . Suppose that we wish to write the fraction with denominator 1x - 4231y - 322 By what must we multiply both the numerator and the denominator? A. x - 421y - 32 B. x - 42 C. x - 4 D. 1x - 42 y - 32

Find the LCD for the fractions in each list. See Examples 13. 21 20 7 1

Find the LCD for the fractions in each list. See Examples 13. 13 25 9 1

Find the LCD for the fractions in each list. See Examples 13. 43 180 23 120 , 1

Find the LCD for the fractions in each list. See Examples 13. 1 360 21 300 , 17 2

Find the LCD for the fractions in each list. See Examples 13. 8 x5 9 x

Find the LCD for the fractions in each list. See Examples 13. 4 m8 12 m

Find the LCD for the fractions in each list. See Examples 13. 3 6p -2 5p

Find the LCD for the fractions in each list. See Examples 13. 1 4k -14 15k

Find the LCD for the fractions in each list. See Examples 13. 5 36y4 17 15y2

Find the LCD for the fractions in each list. See Examples 13. 7 10m4 4 25m

Find the LCD for the fractions in each list. See Examples 13. 7 12r5 5 21r3 ,

Find the LCD for the fractions in each list. See Examples 13. 5 49t6 6 35t

Find the LCD for the fractions in each list. See Examples 13. 29 15a5b 13 5a2b3

Find the LCD for the fractions in each list. See Examples 13. 23 9r6s8 7 3r4s5

Find the LCD for the fractions in each list. See Examples 13. 15 4p - 8 7 6p

Find the LCD for the fractions in each list. See Examples 13. 28 12k - 24 7 8k

Find the LCD for the fractions in each list. See Examples 13. 3 12m - 20 9 28m2

Find the LCD for the fractions in each list. See Examples 13. 7 9a - 45 14 27a

Find the LCD for the fractions in each list. See Examples 13. 11 6b - 12 7 5b - 10

Find the LCD for the fractions in each list. See Examples 13. 2 5x2 + 15x 3 7x2 + 21x

Find the LCD for the fractions in each list. See Examples 13. 25 9r - 18 37 6r - 12

Find the LCD for the fractions in each list. See Examples 13. 11 6p - 36 14 5p - 30

Find the LCD for the fractions in each list. See Examples 13. -16 p2 + 10p + 25 -17 p2 + 5p 5 12p + 60

Find the LCD for the fractions in each list. See Examples 13. -4 r2 + 14r + 49 -3 5r + 35 13 r2 + 7

Find the LCD for the fractions in each list. See Examples 13. -22 y2 + 3y + 2 -3 8y + 1

Find the LCD for the fractions in each list. See Examples 13. -6 m2 - 7m + 10 -2 9m - 18

Find the LCD for the fractions in each list. See Examples 13. 8 d - c 5 c -

Find the LCD for the fractions in each list. See Examples 13. 8 x - y 4 y - x

Find the LCD for the fractions in each list. See Examples 13. -4 3 - m 12 m - 3

Find the LCD for the fractions in each list. See Examples 13. -17 8 - a 3 a - 8

Find the LCD for the fractions in each list. See Examples 13. 18 q - p 29 p -

Find the LCD for the fractions in each list. See Examples 13. 9 x - z 16 z - x

Find the LCD for the fractions in each list. See Examples 13. 2 k2 + 3k - 10 3 k2 + 5

Find the LCD for the fractions in each list. See Examples 13. 9 z2 - 3z - 4 1 z2 - 4

Find the LCD for the fractions in each list. See Examples 13. -5 a2 + 3a - 18 6 a2 + 6a

Find the LCD for the fractions in each list. See Examples 13. -5 y2 - 2y - 15 8 y2 - 5y

Find the LCD for the fractions in each list. See Examples 13. 12 p2 - p - 30 3 p2 - 3p - 18 5 p2 + 8p + 1

Find the LCD for the fractions in each list. See Examples 13. 15 y2 - 6y - 7 2 y2 - 2y - 3 10 y2 - 10y + 2

Find the LCD for the fractions in each list. See Examples 13. 19 k2 - 2k - 15 -8 k2 + 3k - 40 -5 k2 + 2k - 35

Find the LCD for the fractions in each list. See Examples 13. 16 z2 + 2z - 24 -16 z2 + z - 30 -19 z2 + 4z - 12

Work Exercises 4550 in order Suppose that you want to write 3 4 as an equivalent fraction with denominator 28. By what number must you multiply both the numerator and the denominator?

Work Exercises 4550 in order If you write 3 4 as an equivalent fraction with denominator 28, by what number are you actually multiplying the fraction?

Work Exercises 4550 in order What property of multiplication is being used when we write a common fraction as an equivalent one with a larger denominator? (See Section 1.7.

Work Exercises 4550 in order Suppose that you want to write 2x + 5 x - 4 as an equivalent fraction with denominator .By what number must you multiply both the numerator 7x - 28 and the denominator?

Work Exercises 4550 in order If you write 2x + 5 x - 4 as an equivalent fraction with denominator , by what number are you actually multiplying the fraction?

Work Exercises 4550 in order Repeat Exercise 47, changing a common to an algebraic.

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 4 11 = ? 55

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 8 7 = ? 42

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. -5 k = ? 9k

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 4 q = ? 6q

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 15m2 8k = ? 32k4

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 7t 2 3y = ? 9y2

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 19z 2z - 6 = ? 6z - 18

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 3r 5r - 5 = ? 15r - 15

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. -2a 9a - 18 = ? 18a - 36

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 7y 6y + 18 = ? 24y + 72

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 6 k2 - 4k = ? k1k - 421k + 12

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 25 m2 - 9m = ? m1m - 921m + 82

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 36r r2 - r - 6 = ? 1r - 321r + 221r + 12

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 4m m2 + m - 2 = ? 1m - 121m - 321m + 22

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. a + 2b 2a2 + ab - b2 = ? 2a3b + a2b2 - ab3

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. m - 4 6m2 + 7m - 3 = ? 12m3 + 14m2 - 6m

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 4r - t r2 + rt + t2 = ? t3 - r

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 3x - 1 x2 + 2x + 4 = ? x3 - 8

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 21z - y2 y2 + yz + z2 = ? y4 - z3y

Rewrite each rational expression with the indicated denominator. See Examples 4 and 5. 2p + 3q p2 + 2pq + q2 = ? 1p + q21p3 + q3

Add or subtract as indicated. Write each answer in lowest terms. See Section 1.1. 1 2 + 7 8

Add or subtract as indicated. Write each answer in lowest terms. See Section 1.1. 2 3 + 8 27

Add or subtract as indicated. Write each answer in lowest terms. See Section 1.1. 7 5 - 3 4

Add or subtract as indicated. Write each answer in lowest terms. See Section 1.1. 11 6 - 2 5