Question

Work out the following questions​

Answer 1

work out the following questions

Answer 2

Explanation:

a.

`(3)/(4) * (1)/(2)`

`(3)/(8)`

Now

b.

`(4)/(7) * (21)/(40)`

Now here we can see 21 is 3 times of 7 and 40 is 10 times of 4 so

`(3)/(10)`

Hope this helps.