Compare 21/25 and 21/8
1st number: 21/25, 2nd number: 2 5/8
21/25 is smaller than 21/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
21/25 = 21 × 8/25 × 8 = 168/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
21/8 = 21 × 25/8 × 25 = 525/200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/200 < 525/200 or 21/25 < 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25 and 21/8 21/25 and 42/8 21/50 and 21/8 21/25 and 21/16 63/25 and 21/8 21/25 and 63/8 21/75 and 21/8 21/25 and 21/24 21/25 and 21/40 21/25 and 21/56