Compare 21/32 and 25/20
1st number: 21/32, 2nd number: 1 5/20
21/32 is smaller than 25/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
25/20 = 25 × 8/20 × 8 = 200/160 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/160 < 200/160 or 21/32 < 25/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/32 and 25/20 21/32 and 50/20 21/64 and 25/20 21/32 and 25/40 63/32 and 25/20 21/32 and 75/20 21/96 and 25/20 21/32 and 25/60