Compare 90/6 and 20/72, Which fraction is greater?

Compare 90/6 and 20/72

1^st number: 15 0/6, 2^nd number: 20/72

90/6 is greater than 20/72

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 6 × 12 = 72,
90/6 = 90 × 12/6 × 12 = 1080/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1080/72 > 20/72 or 90/6 > 20/72

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