Compare 18/9 and 9/81
1st number: 2 0/9, 2nd number: 9/81
18/9 is greater than 9/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 9 × 9 = 81,
18/9 = 18 × 9/9 × 9 = 162/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
9/81 = 9 × 1/81 × 1 = 9/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/81 > 9/81 or 18/9 > 9/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9 and 9/81 18/9 and 18/81 54/9 and 9/81 18/9 and 27/81 18/27 and 9/81 90/9 and 9/81 18/9 and 45/81 18/45 and 9/81 18/9 and 63/81 18/63 and 9/81