Suppose l be the numerator and m be the denominator of a fraction F F =
l
m
Let l is increased by 150% so it would become 250 × l/100 =5l/2 Let m is increased by 350% so it would become 450 × m/100 = 9m/2 Hence new fraction = 5l/9m = 25/51 l/m = 15/17