Operations with Fractions

What is the sum of these fractions?

• 4/5
• 3/20
• 17/20
• 4/20

A contractor was paving a driveway. He mixed 4/7 ton of sand and 1/3 ton of concrete. How much did the mixture weigh?

• 1/4 ton
• 2/5 ton
• 5/7 ton
• 19/21 ton

• 14/15

• 6/2

• 3

• 10/3

• 5/14

• 6/14

• 7/17

• 8/14

• 5/14

• 6/14

• 7/17

• 8/14