Compare 21/10 and 21/28
1st number: 2 1/10, 2nd number: 21/28
21/10 is greater than 21/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
21/10 = 21 × 14/10 × 14 = 294/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
21/28 = 21 × 5/28 × 5 = 105/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/140 > 105/140 or 21/10 > 21/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10 and 21/28 21/10 and 42/28 21/20 and 21/28 21/10 and 21/56 63/10 and 21/28 21/10 and 63/28 21/30 and 21/28 21/10 and 21/84 21/50 and 21/28 21/70 and 21/28