Simplify (-7/8) (-3/4).

a) 6/7

b) - 21/32

c) 21/32

(-7/8) (-3/4) = 21/32 Choice C.

Steps in multiplying fractions:

Step 1 Multiply numerators ⇒ - 7 * - 3 = 21 (negative signs are cancelled)

Step 2 Multiply denominators ⇒ 8 * 4 = 32

Step 3 Simplify fraction ⇒ 21/32 already in simplified form.

(-7*-3) / (8*4) = 21/32