Compare 15/5 and 21/32
1st number: 3 0/5, 2nd number: 21/32
15/5 is greater than 21/32
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 5 × 32 = 160,
15/5 = 15 × 32/5 × 32 = 480/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 480/160 > 105/160 or 15/5 > 21/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5 and 21/32 15/5 and 42/32 15/10 and 21/32 15/5 and 21/64 45/5 and 21/32 15/5 and 63/32 15/5 and 21/96 75/5 and 21/32 15/25 and 21/32 15/35 and 21/32