Addition and Subtraction of Mixed Numbers Fraction with Like Denominators

When adding or subtracting RATIONAL NUMBERS with LIKE DENOMINATOR denominator you should

• multiply the denominators

• add or subtract the numerators

• keep the denominator

• simplify if need

When adding or subtracting rational numbers, what must you have?

• Common Numerator

• Quick Answering Skills

• Common Numbers

• Common Denominators

When adding mixed numbers, which do you add first?

• The whole number

• The fractions

• It doesn't matter

• 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. 

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4

What is ALWAYS required when adding/subtracting fractions?

• The same numerators.

• The same denominators.

• Equivalent fractions.

A ________ is when you have a whole number and a fraction together.

• Mixed Number

• Improper Fraction

• Denominator

• We didn't talk about this !

When two or more fractions have the same denominators, they have ____________.

• mixed denominators

• improper fractions

• like denominators

• unlike denominators