Vocabulary
Add Fractions
Subtract Fractions
Story Problems
More Story Problems, But They Are Exactly the Same Yet Not
100

The top number in a fraction that represents the part

numerator

100

3/7 + 4/7

7/7 = 1

100

9/10 - 5/10

4/10 = 2/5

100

Robert used 3/8 of a pound of turkey and 1/10 of a pound of arugula to make a sandwich. What was the weight of the turkey and arugula on Robert's sandwich? 

3/8 + 1/10

15/40 + 4/40

19/40 of a pound

100

Connor brought 17/18 of a cake for snacking with the saints. He left with 1/6 of the cake. How much of the cake did Connor's class eat?

17/18 - 3/18 

= 14/18 = 7/9 of the cake

200

A rough calculation, not an exact amount

estimation

200

7/15 + 3/15

10/15 = 2/3

200

11/12 - 9/12

2/12 = 1/6

200

Elaina had 9/12 of a box of cereal, but then poured out 1/8 for her silbings' breakfasts. How much cereal was left after breakfast?

9/12 - 1/8

18/24 - 3/24

15/24 of the cereal box

200

Paolo poured himself 2/15 of a quart of orange juice on Saturday and 1/20 of the quart on Sunday. How much juice did Paolo drink over the weekend?

2/15 + 1/20

8/60 + 3/60 

11/60 of a quart of orange juice

300

To reduce the fraction

simplify 
300

1/7 + 2/5 

19/35

300

8/11 - 1/6

48/66 - 11/66

= 37/66

300
Matthew brought a whole bag of candy to snacking with the saints. He passed out 4/5 to his class, and then 1/10 to his teachers. How much of the bag of candy does Matthew have left?

10/10 - 8/10 - 1/10

1/10 of the bag of candy left

300

Brooke brought 1/2 of a pie, Victoria brought 1/3 of a cake, and Mallory brought 5/12 of a pan of brownies to the Valentine's Day party. How many whole desserts did they have?

1/2 + 1/3 + 5/12

6/12 + 4/12 + 5/12

15/12 = 1 3/12 = 1 1/4 of a whole dessert

400

The largest factor that two numbers both have

Greatest Common Factor

400

3/5 + 2/3

19/15 = 1 4/15

400

7/9 - 2/4

28/36 - 18/36

10/36 = 5/18

500

The smallest multiple that two numbers both have

Least Common Multiple

500

5/9 + 8/15

25/45 + 24/45 

= 49/45 

= 1 4/45

500

19/8 - 1/5

95/40 - 8/40

= 87/40 = 2 7/40