Compare 20/27 and 21/24
20/27 is smaller than 21/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
20/27 = 20 × 8/27 × 8 = 160/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
21/24 = 21 × 9/24 × 9 = 189/216 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 160/216 < 189/216 or 20/27 < 21/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27 and 21/24 20/27 and 42/24 20/54 and 21/24 20/27 and 21/48 60/27 and 21/24 20/27 and 63/24 20/81 and 21/24 20/27 and 21/72