Adding Fractions
Adding Mixed Numbers
Subtracting Fractions
Subtracting Mixed Numbers
Subtracting Mixed Numbers with Regrouping
100

4/8 + 2/8 = ?

6/8, simplified to 3/4.

100

1 1/2 + 3 1/2 = ?

4 2/2 or 5

100

4/12 - 1/12 = ?

3/12, simplified to 1/4

100

4 5/8 - 2 2/8 = ?

2 3/8

100

Convert 3 2/4 into an improper fraction.

4 x 3 = 12 + 2 = 14/4

200

1/6 + 2/6 = ?

3/6, simplified to 1/2

200
Annie walked her dog 2 1/8 miles from her house to the dog park and 3 4/8 miles around the park. How many miles did she walk?
2 1/8 + 3 4/8 = 5 5/8 miles
200
After Ronaldo's Fourth of July party, 4/6 of his cake was left. How much cake will be left after his cousin, Max, eats another 1/6?
4/6 - 1/6 = 3/6 or 1/2
200
The Plainville Zoo has had elephants for 12 4/6 years. The zoo has had zebras for 5 3/6 years. How many years longer has the zoo had elephants?
12 4/6 - 5 3/6 = 7 1/6 years longer.
200
Sally's mom needs to triple her recipe for chocolate chip cookies. If the original recipe calls for 3/4 cup of chocolate chips, how much will it call for when she triples it? Remember to convert any improper fractions into mixed numbers.
3/4 + 3/4 + 3/4 = 9/4 = 2 1/4 cups.
300
At lunch, Alice ate 3/8 of her sandwich. Later, for snack, she ate another 3/8 of the sandwich. Write an addition sentence to show how much of the sandwich Alice ate.
3/8 + 3/8 = 6/8, simplified to 3/4.
300
John's full backpack weighs 5 1/2 pounds, and Tyrone's full backpack weighs 6 1/2 pounds. What is the total weight of both boys' backpacks?
5 1/2 + 6 1/2 = 11 2/2 which is 12
300
Terry had 4/8 feet of a piece of string. He cut off 2/8 to give a friend. How much string does Terry have left?
4/8 - 2/8 = 2/8, simplified to 1/4.
300
Robyn ran 5 3/4 miles last week. She ran 4 1/4 miles this week. How many more miles did she run last week?
1 2/4 or 1 1/2 miles more.
300

4  3/5 - 2  4/5

1  4/5

400
Gerry folded 3/8 of the pile of shirts. Molly folded 1/8 of the pile of shirts. Together, did they fold more than half the shirts? Explain your answer.
3/8 + 1/8 = 4/8, simplified to 1/2. No, they only folded half the shirts.
400
Julie has two extension cords with lengths of 22 1/6 feet and 26 2/6 feet. How long of a cord can she make by attaching them together?
22 1/6 + 26 2/6 = 48 3/6, simplified to 48 1/2.
400
Harriet has 3/4 tank of gas left in her car. If she needs 1/4 to go to her friend's house and another 1/4 to go back home. How much gas will she in the end?
3/4 - 1/4 = 2/4, then to get back home 2/4 - 1/4 = 1/4. She will have 1/4 tank of gas left.
400
Brandon has a male puppy with a mass of 3 7/8 kilograms and a female puppy with a mass of 2 3/8 kilograms. How much greater is the male puppy's mass than the female puppy's?
3 7/8 - 2 3/8 = 1 4/8 or 1 1/2 kilograms.
400

6  2/8 - 3  5/8

2  5/8

500
Jacob is making a stew. The stew calls for 3/8 cup of rice. If he triples the recipe, how much will he need? Write an addition problem to show your answer.
3/8 + 3/8 + 3/8 = 9/8 OR 1 1/8 cups of rice.
500
David ran 9 3/4 miles on Saturday and 7 1/4 miles on Sunday. How many miles did he run on the weekend?
9 3/4 + 7 1/4 = 16 4/4, which is 17
500
The new football field is being painted. The crew has 10/12 of a can left to paint the remaining few seats. If the crew uses 4/12 of the can, how much paint will be left?
10/12 - 4/12 = 6/12, or 1/2
500
Jeff's sister drives 14 2/3 miles to her college, but his brother only drives 5 1/3 miles to his college. How much further does Jeff's sister drive than his brother?
14 2/3 - 5 1/3 = 9 1/3 miles.
500

If the principal eats 2/4 of the cake, the Coach eats 1/4 of the cake, how much does the Music teacher have to eat to finish it off? (Make it all gone!)

Start with a whole, 4/4. Principal: 4/4 - 2/4 = 2/4, Coach has 2/4 - 1/4 = 1/4. There is 1/4 of the cake left. So the Music teacher has to eat 1/4 of the cake to leave nothing but crumbs left.

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