Compare 56/8 and 80/21
1st number: 7 0/8, 2nd number: 3 17/21
56/8 is greater than 80/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
56/8 = 56 × 21/8 × 21 = 1176/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
80/21 = 80 × 8/21 × 8 = 640/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1176/168 > 640/168 or 56/8 > 80/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16 and 80/21 56/8 and 80/42 56/24 and 80/21 56/8 and 80/63 56/40 and 80/21