Compare 35/18 and 21/81
1st number: 1 17/18, 2nd number: 21/81
35/18 is greater than 21/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
35/18 = 35 × 9/18 × 9 = 315/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
21/81 = 21 × 2/81 × 2 = 42/162 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/162 > 42/162 or 35/18 > 21/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18 and 21/81 35/18 and 42/81 35/36 and 21/81 35/18 and 63/81 35/54 and 21/81 35/90 and 21/81