Question

solve 1. 2-3/5
2. 4+7/8
3.3/5+2/7

Answer 1

Answer:

1- 1.4

2- 4.875

3. 0.886...

Answer 2

Answer:

1) 2-3/5

by lcm

$\frac{2}{1} - \frac{3}{5 } = \frac{10 - 3}{5} = \frac{7}{5}$

2) 4+7/8

by lcm

$\frac{4}{1} + \frac{7}{8} = \frac{32 - 7 }{8} = \frac{25}{8}$

$\frac{3}{5} + \frac{2}{7} = \frac{21 + 10}{35} = \frac{31}{35}$

3) 3/5 + 2/7

by lcm