Adding Mixed Numbers Unlike Denominators

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

What is the sum?

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Jason is making a fruit salad. He mixes in 3 1/4 cups of orange melon and 2 2/3 cups of green melon. How many cups of melon does Jason put in the fruit salad?

• 1 1/4

• 5 3/4

• 5 11/12

• 9/12

• denominators.

• 4   19/5

• 4 5/10

• 4 19/25

• 4 5/10

• 4 5/10

• 4 19/25