Adding & Subtracting Fractions

Ken bought 3 3/4 pounds of apples at the farmers’ market. Abby bought 2 1/8 pounds of apples. How many pounds of apples did Ken and Abby buy in all?

• 5  1/8
• 6  1/8
• 5  7/8
• 6  1/4

Tom jogged 3/5 mile on Monday and 2/6 mile on Tuesday. How much farther did Tom jog on Monday than on Tuesday?

• 1/30
• 3/15
• 14/15
• 4/15

Spencer bought 5 1/2 pounds of potatoes and 3 3/4 pounds of tomatoes to make stew. How many pounds of potatoes and tomatoes did he buy in all?

• 8 1/4
• 9 1/4
• 9 3/8
• 8 2/3

Alana bought 3/8 pound of Swiss cheese and 1/4 pound of American cheese. Which pair of fractions cannot be used to find how many pounds of cheese she bought in all?

• 6/16 & 4/16
• 9/24 & 6/24
• 15/40 & 10/40
• 24/64 & 8/64

Molly bought 7/8 pound of grapes and 5/16 pound of cranberries. What is the least common denominator of the fractions?

• 14
• 16
• 24
• 128

Sophia baby-sat for 3 7/12 hours on Friday. She baby-sat 2 5/6 hours on Saturday. Which is the best estimate of how many hours Sophia baby-sat altogether?

• 6 1/2 hours
• 5 1/2 hours
• 6 hours
• 7 hours

Addison bought 5/6 yard of ribbon. She used 1/4 yard of the ribbon to decorate her scrapbook. How much ribbon did she have left after decorating the scrapbook?

• 4/2 yard
• 6/10 yard
• 7/12 yard
• 4/12

Matthew ran 3/8 mile and then walked 7/10 mile. Which pair of fractions can he use to find how far he went in all?

• 15/40 & 28/40
• 35/40 &  21/40
• 35/40 & 37/40
• 30/80 & 70/80

Ron walked 8/10 mile from his grandmother’s house to the store. Then he walked 9/10 mile to his house. Use benchmarks to estimate about how far he walked altogether.

• about 1/2 mile
• about 1 mile
• about 2 miles
• about 2 1/2

Mr. Barber uses 7/9 yard of wire to put up a ceiling fan. He uses 1/3 yard of wire to fix a switch. How much more wire does he use to put up the fan than to fix the switch?

• 1 1/9 yards
• 6/9 yard
• 4/9 yard
• 1/3 yard