Compare 6/18 and 63/81
6/18 is smaller than 63/81
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,
6/18 = 6 × 9/18 × 9 = 54/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
63/81 = 63 × 2/81 × 2 = 126/162 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/162 < 126/162 or 6/18 < 63/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18 and 63/81 6/36 and 63/81 6/54 and 63/81 30/18 and 63/81 6/90 and 63/81 42/18 and 63/81