Compare 21/60 and 56/70, Which fraction is greater?

Compare 21/60 and 56/70

21/60 is smaller than 56/70

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
21/60 = 21 × 7/60 × 7 = 147/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
56/70 = 56 × 6/70 × 6 = 336/420
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
147/420 < 336/420 or 21/60 < 56/70

MathStep (Works offline)

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