Adding Fractions with Mixed Numbers

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

• Numerator

• Denominator

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

• 9/2

• 5/4

• 2/7

• 7/2

When adding or subtracting fractions with unlike denominators, what is the first step?

• Add the numerators

• Add the denominators

• Find a common denominator

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

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4

• Add the numerators (top parts of the fractions).

• Rewrite the fractions in the simplest form. 

• Rewrite the fractions with a common denominator. 

• Make each fraction into an improper faction. 

When adding mixed numbers, which do you add first?

• The whole number

• The fractions

• It doesn't matter

The BOTTOM of the fraction.

• numerator

• multiple

• denominator

• factor

Must find the ______ when adding and subtracting fractions.

• least common denominator (LCD)

• greatest common factor (GCF)

• Prime Factorization

• least common numerator