Compare 1/49 and 42/72, Which fraction is greater?

Compare 1/49 and 42/72

1/49 is smaller than 42/72

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 49 × 72 = 3528,
1/49 = 1 × 72/49 × 72 = 72/3528
Likewise, for the 2nd fraction, since 72 × 49 = 3528,
42/72 = 42 × 49/72 × 49 = 2058/3528
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
72/3528 < 2058/3528 or 1/49 < 42/72

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