Compare 20/49 and 10/72, Which fraction is greater?

Compare 20/49 and 10/72

20/49 is greater than 10/72

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 49 × 72 = 3528,
20/49 = 20 × 72/49 × 72 = 1440/3528
Likewise, for the 2nd fraction, since 72 × 49 = 3528,
10/72 = 10 × 49/72 × 49 = 490/3528
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1440/3528 > 490/3528 or 20/49 > 10/72

MathStep (Works offline)

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