Compare 15/54 and 30/15, Which fraction is greater?

Compare 15/54 and 30/15

1^st number: 15/54, 2^nd number: 2 0/15

15/54 is smaller than 30/15

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270
Likewise, for the 2nd fraction, since 15 × 18 = 270,
30/15 = 30 × 18/15 × 18 = 540/270
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
75/270 < 540/270 or 15/54 < 30/15

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