Compare 21/72 and 63/49
1st number: 21/72, 2nd number: 1 14/49
21/72 is smaller than 63/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
21/72 = 21 × 49/72 × 49 = 1029/3528 - Likewise, for the 2nd fraction, since 49 × 72 = 3528,
63/49 = 63 × 72/49 × 72 = 4536/3528 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1029/3528 < 4536/3528 or 21/72 < 63/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/72 and 63/49 21/72 and 63/98 63/72 and 63/49