Compare 10/42 and 28/72, Which fraction is greater?

Compare 10/42 and 28/72

10/42 is smaller than 28/72

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 42 × 12 = 504,
10/42 = 10 × 12/42 × 12 = 120/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
28/72 = 28 × 7/72 × 7 = 196/504
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
120/504 < 196/504 or 10/42 < 28/72

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