Compare 40/56 and 21/10
1st number: 40/56, 2nd number: 2 1/10
40/56 is smaller than 21/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 10 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
40/56 = 40 × 5/56 × 5 = 200/280 - Likewise, for the 2nd fraction, since 10 × 28 = 280,
21/10 = 21 × 28/10 × 28 = 588/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 200/280 < 588/280 or 40/56 < 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56 and 21/10 40/56 and 42/10 40/56 and 21/20 40/56 and 63/10 40/56 and 21/30 40/56 and 21/50 40/56 and 21/70