Compare 81/63 and 63/18
1st number: 1 18/63, 2nd number: 3 9/18
81/63 is smaller than 63/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
81/63 = 81 × 2/63 × 2 = 162/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
63/18 = 63 × 7/18 × 7 = 441/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/126 < 441/126 or 81/63 < 63/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/63 and 63/36 81/63 and 63/54 81/63 and 63/90