Adding and Subtracting Fractions

What is the sum of these fractions?

• 4/5
• 3/20
• 17/20
• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 3/20
• 1/1
• 3/9
• 1/9

Tags

CCSS.7.NS.A.1C

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

Tags

CCSS.4.MD.A.2

What is 8/9 - 5/6?

• 1/18
• 3/4
• 6/7
• 10/12

Tags

CCSS.7.NS.A.1C

Sari had 3/4 of a bag of pretzels. Her younger brother ate some, leaving her 1/8 of a bag. What fraction of the bag did Sari's brother eat?

• 4/12

• 2/4

• 5/8

• 7/8

A cup is filled with new, unsharpened pencils. The teacher sharpened 1/4 of them. A student sharpened 2/3 of them. What fraction of the pencils still needs to be sharpened?

• 11/12

• 8/12

• 3/12

• 1/12

Olivia is making lunch. She uses 1 $\frac{3}{8}$  pounds of carrots in soup.  She uses  $\frac{4}{5}$  pounds of carrots in a salad.  About how many pounds of carrots did Olivia use in all?

• between 1 and 1 $\frac{1}{2}$  pounds

• between 1 $\frac{1}{2}$  and 2 pound

• between 2 and 2 $\frac{1}{2}$  pounds

• between 2 $\frac{1}{2}$  and 3 pounds

Amy and Leon make hot air balloons and fly them to see how far they go.  Their first balloon traveled 1/4 of a mile.  The second balloon traveled 2/3 of a mile  How much farther did the second balloon travel compared to the first?

•  $\frac{1}{6}$  mile

•  $\frac{1}{4}$  mile

•  $\frac{5}{12}$  mile

•  $\frac{2}{3}$  mile

 $\frac{3\ }{10}$  -  $\frac{1}{4}$  +  $\frac{4}{5}$  

•  $\frac{9}{10}$  

•  $\frac{6}{11}$  

•  $\frac{6}{20}$  

•  $\frac{17}{20}$  

Anna's assignment is to read for a total of 5 hours in two days. She read 2  1/4 hours on the first day.  How many hours does Anna need to read on the second day to complete her assignment? 

• 2 $\frac{1}{4}$  hr

• 2 $\frac{3}{4}$  hr

• 3 $\frac{1}{4}$  hr

• 3 $\frac{3}{4}$  hr