Compare 21/5 and 56/40
1st number: 4 1/5, 2nd number: 1 16/40
21/5 is greater than 56/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
21/5 = 21 × 8/5 × 8 = 168/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
56/40 = 56 × 1/40 × 1 = 56/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/40 > 56/40 or 21/5 > 56/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5 and 56/40 21/10 and 56/40 21/5 and 56/80 63/5 and 56/40 21/15 and 56/40 21/25 and 56/40 21/35 and 56/40