Compare 84/56 and 30/18, Which fraction is greater?

Compare 84/56 and 30/18

1^st number: 1 28/56, 2^nd number: 1 12/18

84/56 is smaller than 30/18

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 56 × 9 = 504,
84/56 = 84 × 9/56 × 9 = 756/504
Likewise, for the 2nd fraction, since 18 × 28 = 504,
30/18 = 30 × 28/18 × 28 = 840/504
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
756/504 < 840/504 or 84/56 < 30/18

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad