Question

Perform the indicated operations; reduce the answer to lowest terms.

Answer 1

d. LCD = 30 divide numerator into 30

20/30- 18/30 =2/30 simplify divide by 2

1/15

e. multiply bottom and top

4/10×3/7 =12/70 simplify divide by 2

6/35

f.multiply bottom and top

1/6×6/15 =6/90 simplify divide by 6

1/15

g.keep the first one,change the sign, flip the second one(kcf)

1/8×9/4 =9/32

h.same thing as g.

1/5×4/3 =4/15

Answer 2

d.

$\frac{1}{15}$

e.

$\frac{6}{35}$

f.

$\frac{1}{15}$

g.

$\frac{9}{32}$

h.

$\frac{4}{15}$