Compare 21/2 and 56/5
1st number: 10 1/2, 2nd number: 11 1/5
21/2 is smaller than 56/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
21/2 = 21 × 5/2 × 5 = 105/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
56/5 = 56 × 2/5 × 2 = 112/10 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/10 < 112/10 or 21/2 < 56/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2 and 56/5 21/4 and 56/5 21/2 and 56/10 63/2 and 56/5 21/6 and 56/5 21/2 and 56/15 21/10 and 56/5 21/2 and 56/25 21/14 and 56/5 21/2 and 56/35