Compare 49/56 and 20/72
49/56 is greater than 20/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
49/56 = 49 × 9/56 × 9 = 441/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 441/504 > 140/504 or 49/56 > 20/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56 and 20/72 49/56 and 40/72 49/56 and 60/72