Compare 28/72 and 84/56
1st number: 28/72, 2nd number: 1 28/56
28/72 is smaller than 84/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
28/72 = 28 × 7/72 × 7 = 196/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
84/56 = 84 × 9/56 × 9 = 756/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 196/504 < 756/504 or 28/72 < 84/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/72 and 84/56 84/72 and 84/56