Add Subtract Fractions and Mixed Numbers with Unique Denominators

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

• unlike denominators

• mixed number

• proper fraction

• common multiple

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

• equivalent

• simplest fraction

• common denominator

• 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 of these fractions in lowest terms?

• 4/5

• 3/20

• 17/20

• 4/20

What is the sum of these fractions?

• 4/5

• 3/20

• 17/20

• 4/20

Sarem, Robin, and Braylan are sharing a pizza. Sarem eats 1/4 of the pizza, Robin eats 1/5 of the pizza, and Braylan eats 3/10 of the pizza. What fraction of the pizza is left?

• 4/5

• 3/20

• 17/20

• 4/20

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

• common numerator

• common denominator

• equivalent fraction

• mixed number

When adding or subtracting fractions, I NEVER add or subtract the...

• numerators

• denominators

• mixed numbers

• equivalent fractions

Once I have completed adding or subtracting fractions, I should always ____________ if possible.

• make equivalent fractions

• add again

• simplify

• multiply