Adding and Subtracting Proper Fractions

When fractions have a different denominator, you have to find the ____________ in order to add them together.

• Least Common Denominator

• Greatest Common Factor

• Numerator

• Mixed Number

True or False: to add and subtract fractions, they can have different denominators.

• True

• False

• 6/12

• 6/9

• 8/9

• 5/27

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

What is the sum of these fractions in lowest terms?

Find the sum.

• 7/18

• 7/9

• 12/9

• 12/81

What is the sum of these fractions in lowest terms?

What is the sum of these fractions in lowest terms?

• 4/5

• 3/20

• 17/20

• 4/20

What equation is shown here?

• 2/10 + 6/10 = 8/10

• 6/10 - 4/10 = 2/10

• 2/10 + 4/10 = 6/10

• 0+ 2/10 = 6/10

What is the sum of these fractions in lowest terms?

• 22/5

• 6/3

• 22/15

• 6/15