How to divide fractions #shorts

How to compare fractions?

A boy on being asked what 6/7 of a certain fraction was, made the mistake of dividing the fraction by 6/7 and so got an answer which exceeded the correct answer by 13/70 Find the fraction :

A person was asked to find (7)/(9) of a fraction. He made a mistake of dividing the fraction by (7)/(9) and so got an answer which exceeded the correct answer by (8)/(21) .Then the correct answer is

A person was asked to find 7/9 of a fraction. He made a mistake of dividing the fraction by 7/9 and got an answer which exceeded the correct answer by 8/21 Then the correct answer is

Equivalent fraction a given fraction and various fraction obtained by multiplying (or dividing ) its numerator and denominator by the same non -zero number are called equivalent fraction.

A run was to find 6//7 of a fraction. Instead of multiplying, he divided the fraction by 6//7 and the result obtained was 13//70 greater than original value. Find the fraction given to Arun ?

How can we define fractional and percentage error?