Adding Fractions
Subtracting Fractions
Multiplying Fractions
Dividing Fractions
Story Problems
100

2/3 + 5/8

31/24

100

2/9-1/10

11/90

100

8/9*3/4

2/3

100

4/5 div 3/4

16/15

100

Eva ate 1/4 of a small pan of brownies. Annie ate 1/5 of the same small pan of brownies. What fraction of the small pan of brownies did they both eat in total?

9/20

200

5/2+2/7

39/14

200

6/5-8/9

14/45

200

12/5*15/16

9/4

200

4 2/3 div3 1/2

4/3

200

Ethan and Nicholas own a mulch store. They currently have 48 2/3  yards of mulch in stock. Ariana and Zoe buy 4 1/6 yards of mulch for their farm. How much mulch is left?

44 1/2 yards

300

5 2/5 + 19 3/8

24 31/40

300

15 3/4 - 6 3/5

9 3/20

300

What is  3/4  of  2/9 ?

1/6

300

How many groups of  2/3 can you make out of 24?

36

300

When Madeleine went to eat another piece of her birthday cake, she discovered that someone in her family had eaten  1/5  of the  2/3  of the cake that was remaining. How much of the cake is left now?

8/15 of the cake is left.

400

37 12/5 + 19 10/3

61 11/15

400

When a number is added to  16 8/5 , the result is  32 1/9 . What is the number?

14 23/45

400

What is  (2/3)^4 ?

16/81

400

When dividing, why do we multiply by the reciprocal of the divisor?

We do so to make sure we are dividing by 1, the easiest of all numbers by which to multiply!

400

Lilly is making pink bows for charity. She needs  3/4  feet of pink ribbon for each bow she makes. If she has 24 1/3  feet of ribbon, how many bows can she make? Ho much ribbo will she have left over?

She can make 32 bows.

She will have 4 inches (1/3 of a foot) of ribbon left over.

500

894/5 +310/12

204 19/30

500

2 1/3 - 2 5/7

-8/21

500

4 7/4 * 8 1/12

46 23/48 

500

87/3 div 1/4

116

500

Explain why zero has no reciprocal.

Zero has no reciprocal because there is no number that you can multiply zero by and get 1 as the product. It has NOTHING to do with whether or not dividing by zero is undefined or infinite!!