Compare 21/54 and 35/18
1st number: 21/54, 2nd number: 1 17/18
21/54 is smaller than 35/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
35/18 = 35 × 3/18 × 3 = 105/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/54 < 105/54 or 21/54 < 35/18
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 35/18 21/54 and 70/18 21/54 and 35/36 63/54 and 35/18 21/54 and 35/54 21/54 and 35/90