Compare 20/15 and 18/56, Which fraction is greater?

Compare 20/15 and 18/56

1^st number: 1 5/15, 2^nd number: 18/56

20/15 is greater than 18/56

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 15 × 56 = 840,
20/15 = 20 × 56/15 × 56 = 1120/840
Likewise, for the 2nd fraction, since 56 × 15 = 840,
18/56 = 18 × 15/56 × 15 = 270/840
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1120/840 > 270/840 or 20/15 > 18/56

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