Compare 28/49 and 21/9
1st number: 28/49, 2nd number: 2 3/9
28/49 is smaller than 21/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 9 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
28/49 = 28 × 9/49 × 9 = 252/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
21/9 = 21 × 49/9 × 49 = 1029/441 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/441 < 1029/441 or 28/49 < 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/49 and 21/9 28/49 and 42/9 28/98 and 21/9 28/49 and 21/18 84/49 and 21/9 28/49 and 63/9 28/49 and 21/27 28/49 and 21/45 28/49 and 21/63