Answer:
The new fraction will chnage by 1.25 : 1.2 ratio, (i.e) = 1.04 %
Explanation:
Let the fraction be represented as
where x is the numerator and y is the denominator
Given that numerator will increase by 25 %, = 25% x
= 0.25 x
Given that denominator will increase by 20 %, = 20% y
= 0.2 y
The new fraction becomes =

=

=

The new fraction will chnage by 1.25 : 1.2 ratio, (i.e) = 1.04 %