Fractions Improper and Mixed Numbers Adding and Subtracting

How can you find a common denominator?

• Add the denominators together

• Pick your favorite number

• Find a common multiple for the two denominators

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

Change this Improper Fraction to a Mixed Number.

• 6

Convert the improper fraction to a mixed number.

What number could be a common denominator for these two fractions?
2/3   and   3/4

• 3

• 4

• 7

• 12

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

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

What is a mixed number?

• when the numerator is bigger than the denominator.

• when you have a whole number and a fraction together.

• how many parts there are in a whole.

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

• common numerator

• common denominator

• equivalent fraction

• mixed number