Compare 5/72 and 27/21
1st number: 5/72, 2nd number: 1 6/21
5/72 is smaller than 27/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 21 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
5/72 = 5 × 7/72 × 7 = 35/504 - Likewise, for the 2nd fraction, since 21 × 24 = 504,
27/21 = 27 × 24/21 × 24 = 648/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 35/504 < 648/504 or 5/72 < 27/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72 and 27/21 5/72 and 54/21 5/72 and 27/42 15/72 and 27/21 5/72 and 81/21 5/72 and 27/63 25/72 and 27/21 35/72 and 27/21