Subtracting Mixed Numbers and Fractions Same Denominator

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

• Numerator

• Denominator

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

Solve and simplify to lowest terms.

• a

• b

• c

• d

Solve

• 1/12

• 11/12

• 1 1/12

• 10/12

Solve

• 7/8

• 1 1/8

• 1/8

• 0/8

Solve

• 3/5

• 1 2/5

• 1 3/5

• 1/5

Solve

• 3/10

• 4/10

• 7/10

• 1 6/10

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

• common numerator

• common denominator

• equivalent fraction

• mixed number