In a fraction , if numerator is increased by 40% and denominator is increased by 80% then what fraction of the original is the new fraction ?

In a fraction , if numerator is increased by 40% and denominator is increased by 80% then what fraction of the original is the new fraction ? Correct Answer 79

Let the fraction be yx . After the changes, it becomes 1.4y1.8x  = 7y9x = 79 of yx
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