Addition and Subtraction of Fractions

When can you only perform addition and subtraction of fractions?

• when all the denominators are the same

• whenever I want to

• when all the numerators are the same

• when the class is over

• 1/12
• 1
• 2/35
• 23/25

5/8 + 1/4

• 7/8

• 6/8

• 3/4

• 2/3

What is the sum of these fractions in lowest terms?

• 22/5

• 6/3

• 22/15

• 6/15

Find the sum of 2/5 and 3/5 in the simplest form.

• 5/10

• 2/10

• 1

• 1 1/5

What is the sum of 3/4 and 3/6 in the simplest form?

• 1 1/4

• 6/24

• 6/10

• 3/5

2/5 + 3/10

• 7/10

• 5/10

• 1/2

• 5/15

3/5 + 7/10

• 13/10

• 10/15

• 10/5

• 15/15

Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?

• 6/18 gallons

• 13/18 gallons

• 4/5 gallons

• 1/6 gallons