Subtracting Mixed Numbers with Unlike Denominators Quiz

1. Jane’s cat had a litter of kittens. The black kitten weighed 2 1/3 pounds. The gray kitten weighed 1 5/6 pounds. How much more did the black kitten weigh than the gray kitten?

• 1/3 pound
• 1/2 pound
• 3/4 pound
• 1 pound

2. Find the difference in the models below.

• 5/6
• 1 1/6
• 1 1/2
• 1 2/3

3. Kenny has 5 11/12 cups of chocolate chips. He used 5 1/2 cups to make cookies. How many cups of chocolate chips does he have left?

• 1/12
• 5/12
• 7/12
• 11/12

4. Jerome is training for a marathon. He ran 4 2/3 miles on Monday and 7 1/6 miles on Tuesday. How much further did he run on Tuesday than on Monday?

• 1 2/3
• 2 1/3
• 2 1/2
• 3

5. Jenny and Ginger planted tomato plants. Jenny's tomato plant was 4 1/10 inches tall. Ginger's tomato plant was 6 1/5 inches tall. How much taller is ginger's tomato plant than Jenny's?

• 1 7/10 inches
• 1 4/5 inches
• 2 1/10 inches
• 2 1/5 inches

6. Jason and Millie are working on an experiment together. Jason has 1 1/2 cups of vinegar. Millie has 1 3/4 cups of vinegar. How much vinegar do they have in all?

• 2 1/4
• 2 1/2
• 3 1/4
• 3 3/4

7. Find the difference in the models below.

• 1/2
• 1
• 1 3/8
• 1 5/8

8. Whitney is making a cake for her mom’s birthday. The recipe calls for 4 1/2 cups of sugar. Whitney only has 2 1/4 cups of sugar. How much more sugar does she need for the cake?

• 1 1/2
• 1 3/4
• 2
• 2 1/4

9. Two puppies got weighed at the vet. They white puppy weighed 8 1/5 pounds. The brown puppy weighed 7 7/10 pounds. How much more did the white puppy weigh than the brown puppy?

• 1/2 pound
• 9/10 pound
• 1 pound
• 1 1/10 pounds

10. Sarah feeds her bird 2 1/12 cups of food in the morning and 4 1/6 cups of food in the evening. How much more does her bird eat in the evening than in the morning?

• 1 10/12
• 2
• 2 1/12
• 2 5/12