Show:
Adding Fractions
Adding Mixed Numbers
Subtracting Fractions
Subtracting Mixed Numbers
Mixed Numbers, Improper Fractions, Multiples, and Factors
100
4/8 + 2/8 = n
What is 6/8, simplified to 3/4.
100
1 1/2 + 3 1/2 = ?
4 2/2 or 5
100
4/12 - 1/12 = n
3/12, simplified to 1/4
100
4 5/8 - 2 2/8 = n
2 3/8
100
Convert 3 2/4 into an improper fraction.
4 x 3 = 12 + 2 = 14/4
200

1/4 + 2/3 = n

What is 11/12

200

Annie walked her dog 2 1/8 miles from her house to the dog park and 3 2/4 miles around the park. How many miles did she walk?

2 1/8 + 3 2/4 = 

2 + 3 = 5

1/8 + 2/4 = 1/8 + 4/8 = 5/8 miles


5 and 5/8 miles

200

After Ronaldo's Fourth of July party, 5/6 of his cake was left. How much cake will be left after his cousin, Max, eats another 1/3?

5/6 - 1/3 = 5/6 - 2/6 = 3/6 simplified into 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

Convert this improper fraction into a mixed number

62/12

5 1/6

300

At lunch, Alice ate 3/8 of her sandwich. Later, for snack, she ate another 1/4 of the sandwich. How much of the sandwich Alice ate.

3/8 + 1/4 = 3/8 + 2/8 = 5/8

300

John's full backpack weighs 5 1/2 pounds, and Tyrone's full backpack weighs 6 3/4 pounds. What is the total weight of both boys' backpacks?

5 1/2 + 6 3/4 = 

5+ 6 = 11

1/2 + 3/4 = 2/4 + 3/4 = 5/4 OR 1 1/4


12 1/4 pounds

300

Terry had 4/5 feet of a piece of string. He cut off 2/8 to give a friend. How much string does Terry have left?

4/5 - 2/8 = 32 /40 - 10/40 = 22/40, simplified to 11/20

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
List the first five multiples for 8
8: 8, 16, 24, 32, 40
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 2/4 feet. How long of a cord can she make by attaching them together?

22 1/6 + 26 2/4 = 48 3/6, simplified to 48 1/2.

22 + 26 = 48

1/6 + 2/4 = 4/24 + 12/24 = 16/24 simplified to 2/3

48 2/3

400

Harriet has 3/8 tank of gas left in her car. If she needs 1/4 to go to her friend's house How much gas will she have in the end?

3/8 - 1/4 = 3/8 - 2/8 = 1/8 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

What is a common multiple for 6 and 8?

6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60....

8: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80 .....

24 OR 48

500

Jacob is making a stew. The stew calls for 3/8 cup of rice and 5/6 of a cup of vinegar, how many cups of ingredients will he need in total?

3/8 + 5/6 = 9/24 + 20/24 = 29/24, simplified to 

1 5/24 cups of ingredients

500

David ran 9 3/5 miles on Saturday and 7 1/4 miles on Sunday. How many miles did he run on the weekend?

9 3/5 + 7 1/4 = 

9 + 7 =16 

3/5 + 1/4 = 12/20 + 5/20 = 17/20

16 17/20 miles

500

The new football field is being painted. The crew has 5/6 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?

5/6 - 4/12 = 10/12 - 4/12 = 6/12, simplified to 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

Ms. Pennell runs the dogs for 2 1/3 miles on Monday and 1 1/4 miles on Wednesday. If she wants the dogs to run a total of 5 miles in a week, how many more miles will they need to run on Friday?

2 1/3 + 1 1/4 = 3 7/12

5 - 3 7/12 OR 4 12/12 - 3 7/12

4-3 = 1                     12/12 - 7/12 = 5/12 

1 5/12 more miles