Question

when rohit was asked how long did spend on his maths project ,he answered that he spend the reciprocal of 5/7 hours.he spent ​

Answer 1

reciprocal of a number 'x' is 1/x

here x=5/7 hours

1/x=1/(5/7)

=7/5 hours

Answer 2

Answer

This question says reciprocal the 5/7

Hence . Reciprocal 5/7 = 7/5

So. convert into mix