Compare 15/32 and 3/21
15/32 is greater than 3/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 21 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 32 × 21 = 672,
15/32 = 15 × 21/32 × 21 = 315/672 - Likewise, for the 2nd fraction, since 21 × 32 = 672,
3/21 = 3 × 32/21 × 32 = 96/672 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/672 > 96/672 or 15/32 > 3/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/32 and 3/21 15/32 and 6/21 15/64 and 3/21 15/32 and 3/42 45/32 and 3/21 15/32 and 9/21 15/96 and 3/21 15/32 and 3/63 75/32 and 3/21 15/32 and 15/21