Compare 56/15 and 21/72
1st number: 3 11/15, 2nd number: 21/72
56/15 is greater than 21/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
56/15 = 56 × 24/15 × 24 = 1344/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
21/72 = 21 × 5/72 × 5 = 105/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1344/360 > 105/360 or 56/15 > 21/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15 and 42/72 56/30 and 21/72 56/15 and 63/72 56/45 and 21/72 56/75 and 21/72