Compare 4/98 and 4/40, Which fraction is greater?

Compare 4/98 and 4/40

4/98 is smaller than 4/40

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960

Next, find the equivalent fraction of both fractional numbers with denominator 1960
For the 1st fraction, since 98 × 20 = 1960,
4/98 = 4 × 20/98 × 20 = 80/1960
Likewise, for the 2nd fraction, since 40 × 49 = 1960,
4/40 = 4 × 49/40 × 49 = 196/1960
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
80/1960 < 196/1960 or 4/98 < 4/40

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