Add and Subtract Mixed Numbers Common Denominator

The ____________________ is a common multiple of two or more denominators.

• equivalent

• simplest fraction

• common denominator

• mixed number

A _________ is written as a whole number and a fraction.

• unlike denominators

• mixed number

• proper fraction

• common multiple

When the denominators are not the same, I must find a...

• common numerator

• common denominator

• equivalent fraction

• mixed number

What must you do first in order to add or subtract fractions with unlike denominators?

• add the numerators

• add the denominators

• find a common denominator

• find a common numerator

• 1    5/12
• 3     11/24
• 3    11/12
• 3    1/2

Find the difference.

• 1/6

• 1 1/6

• 1

• 1/3

4  7/12  -  2  2/3

• 1  3/4

• 1  11/12

• 2  5/7

• 2  8/9

11  1/5  -  7  1/3

• 3  13/15

• 4  11/15

• 3  8/15

• 4  3/5

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4