Compare 15/21 and 16/25
15/21 is greater than 16/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
15/21 = 15 × 25/21 × 25 = 375/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
16/25 = 16 × 21/25 × 21 = 336/525 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 375/525 > 336/525 or 15/21 > 16/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21 and 16/25 15/21 and 32/25 15/42 and 16/25 15/21 and 16/50 45/21 and 16/25 15/21 and 48/25 15/63 and 16/25 15/21 and 16/75 75/21 and 16/25 15/21 and 80/25