Compare 56/21 and 15/12
1st number: 2 14/21, 2nd number: 1 3/12
56/21 is greater than 15/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
56/21 = 56 × 4/21 × 4 = 224/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 224/84 > 105/84 or 56/21 > 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21 and 30/12 56/42 and 15/12 56/21 and 15/24 56/21 and 45/12 56/63 and 15/12 56/21 and 15/36 56/21 and 75/12 56/21 and 15/60 56/21 and 15/84