Compare 56/48 and 21/90
1st number: 1 8/48, 2nd number: 21/90
56/48 is greater than 21/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
56/48 = 56 × 15/48 × 15 = 840/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
21/90 = 21 × 8/90 × 8 = 168/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/720 > 168/720 or 56/48 > 21/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/48 and 42/90 56/96 and 21/90 56/48 and 63/90