Compare 21/54 and 18/14
1st number: 21/54, 2nd number: 1 4/14
21/54 is smaller than 18/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
21/54 = 21 × 7/54 × 7 = 147/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
18/14 = 18 × 27/14 × 27 = 486/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 147/378 < 486/378 or 21/54 < 18/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54 and 18/14 21/54 and 36/14 21/54 and 18/28 63/54 and 18/14 21/54 and 54/14 21/54 and 18/42 21/54 and 90/14 21/54 and 18/70 21/54 and 18/98