Compare 30/42 and 10/72, Which fraction is greater?

Compare 30/42 and 10/72

30/42 is greater than 10/72

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,
30/42 = 30 × 12/42 × 12 = 360/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
360/504 > 70/504 or 30/42 > 10/72

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