Compare 56/15 and 21/8
1st number: 3 11/15, 2nd number: 2 5/8
56/15 is greater than 21/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
56/15 = 56 × 8/15 × 8 = 448/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
21/8 = 21 × 15/8 × 15 = 315/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 448/120 > 315/120 or 56/15 > 21/8
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 42/8 56/30 and 21/8 56/15 and 21/16 56/15 and 63/8 56/45 and 21/8 56/15 and 21/24 56/75 and 21/8 56/15 and 21/40 56/15 and 21/56