Compare 3/4 and 21/24
3/4 is smaller than 21/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 4 × 6 = 24,
3/4 = 3 × 6/4 × 6 = 18/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
21/24 = 21 × 1/24 × 1 = 21/24 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/24 < 21/24 or 3/4 < 21/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4 and 21/24 3/4 and 42/24 3/8 and 21/24 3/4 and 21/48 9/4 and 21/24 3/4 and 63/24 3/12 and 21/24 3/4 and 21/72 15/4 and 21/24 3/20 and 21/24 21/4 and 21/24 3/28 and 21/24