Exercise 146 Page 64

When adding or subtracting fractions, they should have the same denominator. In this exercise, we have two fractions with different denominators. 1/6 + 1/2Since 6 is a multiple of 2, we can multiply both the numerator and denominator of 12 by 3 to create an equivalent fraction with a common denominator.

1/6+1/2

ExpandFrac

a/b=a * 3/b * 3

1/6+1* 3/2*3

Multiply

Multiply

1/6+3/6

Now that we have a common denominator, we can add the fractions. Remember to simplify the sum if possible.

1/6+3/6

AddFrac

Add fractions

1+3/6

AddTerms

Add terms

4/6

ReduceFrac

a/b=.a /2./.b /2.

2/3

The sum of 16 and 12 is 23.