Compare 63/18 and 81/28
1st number: 3 9/18, 2nd number: 2 25/28
63/18 is greater than 81/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
63/18 = 63 × 14/18 × 14 = 882/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
81/28 = 81 × 9/28 × 9 = 729/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 882/252 > 729/252 or 63/18 > 81/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/36 and 81/28 63/18 and 81/56 63/54 and 81/28 63/18 and 81/84 63/90 and 81/28