Operations with Fractions

Parts of a Fractions

Numerator

Denominator

Common Denominators

In order to add or subtract fractions, we must find COMMON DENOMINATORS.

To find these, both denominators must be FACTORS of the new common denominator.

Add/Subtract Example #1

Add/Subtract Example #2

Multiplying Fractions

Multiply the NUMERATORS.Multiply the DENOMINATORS.SIMPLIFY the answer or change it to a MIXED NUMBER if necessary.

Multiplying Fractions

Dividing FractionsKeep the FIRST FRACTION.Flip the SECOND FRACTION.

Change the sign to MULTIPLICATION.

SIMPLIFY the answer or change it to a MIXED NUMBER if necessary.

Dividing Fractions #4

Dividing Fractions #5

White Board Practice!!

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.

Practice Problems

Expectations:Copy down the problem.Use your notes to help you decide what process to use.Show your work.Circle your answer.