Compare 90/28 and 15/8
1st number: 3 6/28, 2nd number: 1 7/8
90/28 is greater than 15/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
90/28 = 90 × 2/28 × 2 = 180/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/56 > 105/56 or 90/28 > 15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28 and 30/8 90/56 and 15/8 90/28 and 15/16 90/28 and 45/8 90/84 and 15/8 90/28 and 15/24 90/28 and 75/8 90/28 and 15/40 90/28 and 15/56