Compare 90/56 and 24/21
1st number: 1 34/56, 2nd number: 1 3/21
90/56 is greater than 24/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
24/21 = 24 × 8/21 × 8 = 192/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/168 > 192/168 or 90/56 > 24/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56 and 48/21 90/56 and 24/42 90/56 and 72/21 90/56 and 24/63