Compare 3/18 and 6/81
3/18 is greater than 6/81
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,
3/18 = 3 × 9/18 × 9 = 27/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
6/81 = 6 × 2/81 × 2 = 12/162 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 27/162 > 12/162 or 3/18 > 6/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18 and 6/81 3/18 and 12/81 3/36 and 6/81 9/18 and 6/81 3/18 and 18/81 3/54 and 6/81 15/18 and 6/81 3/18 and 30/81 3/90 and 6/81 21/18 and 6/81 3/18 and 42/81