Compare 49/21 and 14/40, Which fraction is greater?

Compare 49/21 and 14/40

1^st number: 2 7/21, 2^nd number: 14/40

49/21 is greater than 14/40

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 21 × 40 = 840,
49/21 = 49 × 40/21 × 40 = 1960/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
14/40 = 14 × 21/40 × 21 = 294/840
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1960/840 > 294/840 or 49/21 > 14/40

MathStep (Works offline)

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