Compare 21/15 and 3/24
1st number: 1 6/15, 2nd number: 3/24
21/15 is greater than 3/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
21/15 = 21 × 8/15 × 8 = 168/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
3/24 = 3 × 5/24 × 5 = 15/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/120 > 15/120 or 21/15 > 3/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/15 and 3/24 21/15 and 6/24 21/30 and 3/24 21/15 and 3/48 63/15 and 3/24 21/15 and 9/24 21/45 and 3/24 21/15 and 3/72 21/15 and 15/24 21/75 and 3/24 21/15 and 21/24