Adding, Subtracting, Multiplying & Dividing Fractions

Adding Fractions

100

2/5 + 1 3/5

Answer: 2

200

5/6 + 4/5

Answer: 1 19/30

300

11/12 + 7/8

Answer: 1 19/24

400

6 5/12 + 12 5/8

Answer: 19 1/24

500

17 2/9 + 12 1/3

Answer: 29 5/9

Subtracting Fractions

100

10 4/7 - 3/7

Answer: 10 1/7

200

13/6 - 5/2

Answer: -1/3

300

5/8 - 11/20

Answer: 3/40

400

18 1/9 - 1 3/7

Answer: 16 43/63

500

20 - 4 5/6

Answer: 15 1/6

Multiplying Fractions

100

5/6 x 15/16

Answer: 25/32

200

5/6 x 3/5

Answer: 1/2

300

8/9 x 9/10

Answer: 4/5

400

3 5/8 x 4 1/2

Answer: 16 5/16

500

6 2/3 x 7 3/5

Answer: 50 2/3

Dividing Fractions

100

2/3 divided 1/2

What is 1 1/3

200

4 divided by 2/3

What is 6

300

2/7 divided 7

What is 2/49

400

2/13 divided 5/26

What is 4/5

500

3 3/5 divided 4/5

What is 4 1/2

Number Topics

100

Express 3 1/16 as an improper fraction.

Answer: 49/16

200

Express 103/25 as a mixed number.

Answer: 4 3/25

300

Express 240 as a product of prime factors written in index notation form.

Answer: 2⁴ x 3 x 5

400

Find the highest common factor of 420 and 180.

Answer: 60

500

Find the least common multiple of 12, 16, 30.

Answer: 240