Compare 30/54 and 21/98, Which fraction is greater?

Compare 30/54 and 21/98

30/54 is greater than 21/98

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 98 is 2646

Next, find the equivalent fraction of both fractional numbers with denominator 2646
For the 1st fraction, since 54 × 49 = 2646,
30/54 = 30 × 49/54 × 49 = 1470/2646
Likewise, for the 2nd fraction, since 98 × 27 = 2646,
21/98 = 21 × 27/98 × 27 = 567/2646
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1470/2646 > 567/2646 or 30/54 > 21/98

MathStep (Works offline)

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