Adding and Subtracting Fractions

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3
• 4
• 24
• 12

Solve this equation using the least common denominator.
¼ + ½

• 3/4
• 2/8
• 6/4
• 6/8

8/10 + 3/5

• 11/15
• 1 1/5
• 14/15
• 1 4/10

• 3/8
• 3/16
• 1/8
• 2/8

While making desserts for a bake sale, Lyla used 7/10 of a scoop of brown sugar as well as 1/2 of a scoop of white sugar. How much more brown sugar did Lyla use?

• 1 1/2
• 2/3
• 1/5 
• 3/4

Daniel watched a beetle and a spider on the sidewalk. The beetle crawled 1/2 of a yard and the spider crawled 1/6 of a yard. How much farther did the beetle crawl than the spider?

• 1/4
• 1/3
• 1/2
• 2/3

At the neighborhood block party, Cora served 1/2 of a gallon of hot chocolate and 1/10 of a gallon of apple cider. How much hot chocolate and apple cider did Cora serve?

• 3/5
• 2/5
• 2/11
• 1/6

Robert made a fruit salad with 11/12 of a pound of melon and 1/6 of a pound of berries. How many pounds of fruit did Robert use in all?

• 1 1/12
• 3/4
• 2/3
• 1 1/2

Marty made two types of cookies.  He used 2/3 cup of sugar for one recipe and 1/4 cup  of sugar for the other.  How much sugar did he use in all? 

• 5/12
• 3/7
• 11/12
• 1/3