Compare 21/5 and 25/28
1st number: 4 1/5, 2nd number: 25/28
21/5 is greater than 25/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
21/5 = 21 × 28/5 × 28 = 588/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
25/28 = 25 × 5/28 × 5 = 125/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 588/140 > 125/140 or 21/5 > 25/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5 and 25/28 21/5 and 50/28 21/10 and 25/28 21/5 and 25/56 63/5 and 25/28 21/5 and 75/28 21/15 and 25/28 21/5 and 25/84 21/25 and 25/28 21/35 and 25/28