Compare 4/5 and 21/24
4/5 is smaller than 21/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 5 × 24 = 120,
4/5 = 4 × 24/5 × 24 = 96/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 96/120 < 105/120 or 4/5 < 21/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5 and 21/24 4/5 and 42/24 4/10 and 21/24 4/5 and 21/48 12/5 and 21/24 4/5 and 63/24 4/15 and 21/24 4/5 and 21/72 20/5 and 21/24 4/25 and 21/24 28/5 and 21/24 4/35 and 21/24