Compare 8/21 and 9/56
8/21 is greater than 9/56
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,
8/21 = 8 × 8/21 × 8 = 64/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
9/56 = 9 × 3/56 × 3 = 27/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 64/168 > 27/168 or 8/21 > 9/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21 and 9/56 8/21 and 18/56 8/42 and 9/56 24/21 and 9/56 8/21 and 27/56 8/63 and 9/56 40/21 and 9/56 8/21 and 45/56 56/21 and 9/56 8/21 and 63/56