Compare 2/56 and 81/21
1st number: 2/56, 2nd number: 3 18/21
2/56 is smaller than 81/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
2/56 = 2 × 3/56 × 3 = 6/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
81/21 = 81 × 8/21 × 8 = 648/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 6/168 < 648/168 or 2/56 < 81/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/56 and 81/21 2/56 and 81/42 6/56 and 81/21 2/56 and 81/63 10/56 and 81/21 14/56 and 81/21