Compare 75/72 and 16/21
1st number: 1 3/72, 2nd number: 16/21
75/72 is greater than 16/21
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,
75/72 = 75 × 7/72 × 7 = 525/504 - Likewise, for the 2nd fraction, since 21 × 24 = 504,
16/21 = 16 × 24/21 × 24 = 384/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/504 > 384/504 or 75/72 > 16/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/72 and 32/21 75/72 and 16/42 75/72 and 48/21 75/72 and 16/63 75/72 and 80/21