Compare 9/28 and 75/90
9/28 is smaller than 75/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
9/28 = 9 × 45/28 × 45 = 405/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
75/90 = 75 × 14/90 × 14 = 1050/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 405/1260 < 1050/1260 or 9/28 < 75/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/28 and 75/90 9/56 and 75/90 27/28 and 75/90 9/84 and 75/90 45/28 and 75/90 63/28 and 75/90