Compare 81/4 and 18/28
1st number: 20 1/4, 2nd number: 18/28
81/4 is greater than 18/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
81/4 = 81 × 7/4 × 7 = 567/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/28 > 18/28 or 81/4 > 18/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4 and 36/28 81/8 and 18/28 81/4 and 18/56 81/4 and 54/28 81/12 and 18/28 81/4 and 18/84 81/4 and 90/28 81/20 and 18/28 81/28 and 18/28