Compare 49/21 and 80/56
1st number: 2 7/21, 2nd number: 1 24/56
49/21 is greater than 80/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
49/21 = 49 × 8/21 × 8 = 392/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
80/56 = 80 × 3/56 × 3 = 240/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 392/168 > 240/168 or 49/21 > 80/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21 and 80/56 49/42 and 80/56 49/63 and 80/56