Compare 90/24 and 56/21
1st number: 3 18/24, 2nd number: 2 14/21
90/24 is greater than 56/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
90/24 = 90 × 7/24 × 7 = 630/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
56/21 = 56 × 8/21 × 8 = 448/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/168 > 448/168 or 90/24 > 56/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48 and 56/21 90/24 and 56/42 90/72 and 56/21 90/24 and 56/63