Compare 4/72 and 21/14
1st number: 4/72, 2nd number: 1 7/14
4/72 is smaller than 21/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
21/14 = 21 × 36/14 × 36 = 756/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 28/504 < 756/504 or 4/72 < 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72 and 21/14 4/72 and 42/14 4/72 and 21/28 12/72 and 21/14 4/72 and 63/14 4/72 and 21/42 20/72 and 21/14 4/72 and 21/70 28/72 and 21/14 4/72 and 21/98