Compare 18/2 and 81/28
1st number: 9 0/2, 2nd number: 2 25/28
18/2 is greater than 81/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
18/2 = 18 × 14/2 × 14 = 252/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
81/28 = 81 × 1/28 × 1 = 81/28 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/28 > 81/28 or 18/2 > 81/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2 and 81/28 18/4 and 81/28 18/2 and 81/56 54/2 and 81/28 18/6 and 81/28 18/2 and 81/84 90/2 and 81/28 18/10 and 81/28 18/14 and 81/28