Answer:

Convert the following improper fractions to mixed numbers.

9/2 = 4 1/2

11/4 = 4 3/4

Convert the following mixed numbers to improper fractions.

3 2/5 = 17/15

7 3/6 = 42/6

Find the sum of the following fractions:

1. 7/23 + 4/23 = 11/23

2. 1 3/5 + 2 4/7 = 1 3/35

3. 3/9 + 11/2 = 1 7/18

Find the difference of the following fractions:

1. 18/25 - 7/25 = 11/25

2. 2/3 - 4/7 = 2/21

3. 7 3/9 - 5 1/4 = 6 7/12

Step-by-step explanation: