Compare 21/48 and 56/84
21/48 is smaller than 56/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
56/84 = 56 × 4/84 × 4 = 224/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 147/336 < 224/336 or 21/48 < 56/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48 and 56/84 21/96 and 56/84 63/48 and 56/84