Add Subtracting Mixed Fractions

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

• common numerator

• common denominator

• equivalent fraction

• mixed number

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

• make equivalent fractions

• add again

• simplify

• multiply

Solve.

• 5/8

• 23/40

• 21/40

• 1/2

What must you do first in order to add or subtract fractions with unlike denominators?

• add the numerators

• add the denominators

• find a common denominator

• find a common numerator

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

• numerators

• denominators

• mixed numbers

• equivalent fractions

There were 3 1/6 pies on the shelf. The server took away 1 5/6 pies from the shelf. How many pies remain on the shelf?

• 3 1/6 pies

• 2 1/6 pies

• 1 1/3 pies

• 2 pies

7 3/5 - 2 1/4

Marie needs 2 ¹/₄ yards of fabric/ She already has 1 ³/₈ yards. How many more yards of fabric does she need?

• ¹/₈ yard

• ³/₄ yard

• ⁷/₈ yard

• 1 ⁷/₈ yards