Question

1). 2/3 ÷ 3/62). 1/5 + 3/43). 15/3 × 21/5​

Answer 1

Solution:

$1) \frac{2}{3} \div \frac{3}{6} \\ = \frac{2}{3} \times \frac{6}{3} \\ = \frac{4}{3}$

$2) \: \frac{1}{5} + \frac{3}{4} \\ = \frac{4 + 15}{20} \\ = \frac{19}{20}$

$3) \frac{15}{3} \times \frac{21}{5} \\ = 3 \times 7 \\ = 21$

Answer 2

1). 2/3 ÷ 3/6

=> 2/3 ÷ 3/6

=> 2/3 × 6/3

=> 2/1 × 2/3

=> 4/3

2). 1/5 + 3/4

=> 1/5 + 3/4

=> 1 × 4/5 × 4 + 3 × 5/4 × 5

=> 4/20 + 15/20

=> 4 + 15/20

=> 19/20

3). 15/3 × 21/5

=> 15/3 × 21/5

=> 15 × 21/3 × 5

=> 315/15

=> 21 × 15/1 × 15

=> 21