Exercise 12 Page 77

Before we evaluate the given expression, let's first rewrite the expression so that all of the numbers are fractions. 7 (- 6/14 ) ⇔ 7/1 * (- 6/14 ) When multiplying fractions, remember that the product of two fractions is equal to the product of the numerators over the product of the denominators.

7/1 (- 6/14 )

MoveNegFracToNum

Put minus sign in numerator

7/1 * (- 6)/14

MultFrac

Multiply fractions

7* (- 6)/1* 14

MultPosNeg

a(- b)=- a * b

- 42/1* 14

MultByOne

a * 1=a

- 42/14

CalcQuot

Calculate quotient

- 3