Add/Subtract Fractions and Mixed Numbers Like 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

What is the process of making two fractions with unlike denominators able to be added or subtracted called?

• Finding the least common multiple or least common denominator

• Addition

• Multiplication

• Reverse multiplication

2/12 + 4/12

• 6/24

• 6/12

• 6/44

Which equation represents the shaded parts of the model?

• 5/5 + 5/5 = 10/5

• 3/5 + 4/5 = 5/5

• 1/5 + 2/5 = 3/5

• 1/5 + 1/5 = 2/5

25/100 + 75/100

• 85/100

• 95/100

• 100/100

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144

If Sadie ate a 2/9 of a pizza, and Payton ate 3/9 of a pizza, how much much of the pizza was left?

• 4/9

• 9/5

• 5/9

• 4/5

• 9/2

• 5/4

• 2/7

• 7/2