Compare 80/28 and 56/90
1st number: 2 24/28, 2nd number: 56/90
80/28 is greater than 56/90
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,
80/28 = 80 × 45/28 × 45 = 3600/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
56/90 = 56 × 14/90 × 14 = 784/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3600/1260 > 784/1260 or 80/28 > 56/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56 and 56/90 80/84 and 56/90