Compare 5/54 and 21/72
5/54 is smaller than 21/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
5/54 = 5 × 4/54 × 4 = 20/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
21/72 = 21 × 3/72 × 3 = 63/216 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 20/216 < 63/216 or 5/54 < 21/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/54 and 21/72 5/54 and 42/72 15/54 and 21/72 5/54 and 63/72 25/54 and 21/72 35/54 and 21/72