Compare 18/28 and 90/7
1st number: 18/28, 2nd number: 12 6/7
18/28 is smaller than 90/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
90/7 = 90 × 4/7 × 4 = 360/28 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/28 < 360/28 or 18/28 < 90/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28 and 90/7 18/56 and 90/7 18/28 and 90/14 54/28 and 90/7 18/84 and 90/7 18/28 and 90/21 90/28 and 90/7 18/28 and 90/35 18/28 and 90/49