Question

find the value of (3/10+2/5)×15/7​

Answer 1

Answer:

First solve the bracket.

3/10+2/5

Take LCM.

LCM of 5 and 10 is 10.

5×2=10 so 2×2=4

3/10+4/10

7/10

7/10×15/7

105/49

simplify by 7

15/7.

SO the answer is 15/7

Answer 2

Answer:

3/2

1. take lcm
2. cut all
3. at last ans will be got