Compare 18/28 and 90/75
1st number: 18/28, 2nd number: 1 15/75
18/28 is smaller than 90/75
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
18/28 = 18 × 75/28 × 75 = 1350/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
90/75 = 90 × 28/75 × 28 = 2520/2100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1350/2100 < 2520/2100 or 18/28 < 90/75
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 90/75 18/56 and 90/75 54/28 and 90/75 18/84 and 90/75 90/28 and 90/75