Compare 6/21 and 18/24
6/21 is smaller than 18/24
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,
6/21 = 6 × 8/21 × 8 = 48/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
18/24 = 18 × 7/24 × 7 = 126/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 48/168 < 126/168 or 6/21 < 18/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21 and 18/24 6/21 and 36/24 6/42 and 18/24 6/21 and 18/48 18/21 and 18/24 6/21 and 54/24 6/63 and 18/24 6/21 and 18/72 30/21 and 18/24 6/21 and 90/24 42/21 and 18/24