Add and Subtract Like Fractions

When I add or subtract fractions I must have _________ units.

• denominator

• numerator

• like

• unlike

To make like units, I can multiply the _________________ to find a common multiple.

• numerators

• denominators

• whole numbers

• mixed numbers

Do you need a common denominator to add fractions?

• yes

• no

Do you need a common denominator to subtract fractions?

• yes

• no

• 1

• 5/12

• 6/12

• 1/12

• 4/12

Solve.

• 1/2

• 2

• 1

• 3/6

When I add or subtract fractions I must have _________ units.

• denominator

• like

• numerator

• unlike