Adding and Subtracting 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

When adding and subtracting fractions, which value needs to be the same in all values being added/subtracted?

• Numerator

• Denominator

• 9/7

• 2/3

• 3/2

• 7/9

• 2a/0
• 2a/5
• 2a/10
• 2a

What is the first step of adding or subtracting two fractions?

• Checking if the numerators are the same

• Checking if the denominators are the same or different

• Checking that the fractions are equal

• Adding or subtracting

When adding and subtracting fractions, what needs to be the same?

• the numerator

• the denominator

• nothing

• everything

When adding fractions with like denominators, the denominators....

• stay the same

• are added together

After changing the denominator, what do you need to do to the numerator?

• Nothing

• Multiply the numerator by the same number as the denominator

• Double it

How can you find a common denominator?

• Add the denominators together

• Pick your favorite number

• Find a common multiple for the two denominators