Compare 56/54 and 81/20
1st number: 1 2/54, 2nd number: 4 1/20
56/54 is smaller than 81/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
56/54 = 56 × 10/54 × 10 = 560/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
81/20 = 81 × 27/20 × 27 = 2187/540 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/540 < 2187/540 or 56/54 < 81/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54 and 81/40 56/54 and 81/60