Compare 72/5 and 21/28
1st number: 14 2/5, 2nd number: 21/28
72/5 is greater than 21/28
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,
72/5 = 72 × 28/5 × 28 = 2016/140 - 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
- 2016/140 > 105/140 or 72/5 > 21/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5 and 42/28 72/10 and 21/28 72/5 and 21/56 72/5 and 63/28 72/15 and 21/28 72/5 and 21/84 72/25 and 21/28 72/35 and 21/28