Question

tell me the answer it's very important​

Answer 1

= 20/7 × 21/4 = 420/28

∴ Answer is 420/28

Answer 2

First multiply 7x2 and then add 6 u will get 20 and don't change the denominator and there will be 20/7 do the same with another fraction u will get 21/4 and do cross multiply and u will get 15 which is the answer.