Compare 15/21 and 7/24
15/21 is greater than 7/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
15/21 = 15 × 8/21 × 8 = 120/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
7/24 = 7 × 7/24 × 7 = 49/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/168 > 49/168 or 15/21 > 7/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21 and 7/24 15/21 and 14/24 15/42 and 7/24 15/21 and 7/48 45/21 and 7/24 15/21 and 21/24 15/63 and 7/24 15/21 and 7/72 75/21 and 7/24 15/21 and 35/24 15/21 and 49/24