Adding and Subtracting Fractions with Like Denominators to Make Mixed Fractions

When adding mixed numbers, which do you add first?

• The whole number

• The fractions

• It doesn't matter

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4

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

• stay the same

• are added together

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

What is 3/4 + 1/4 = ?

Mathematical Equivalence

ON

Once I have completed adding or subtracting fractions, I should always ____________ if possible.

• make equivalent fractions

• add again

• simplify

• multiply

When adding or subtracting fractions, I NEVER add or subtract the...

• numerators

• denominators

• mixed numbers

• equivalent 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