Compare 25/10 and 21/20
1st number: 2 5/10, 2nd number: 1 1/20
25/10 is greater than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
25/10 = 25 × 2/10 × 2 = 50/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
21/20 = 21 × 1/20 × 1 = 21/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 50/20 > 21/20 or 25/10 > 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10 and 21/20 25/10 and 42/20 25/20 and 21/20 25/10 and 21/40 75/10 and 21/20 25/10 and 63/20 25/30 and 21/20 25/10 and 21/60 25/50 and 21/20 25/70 and 21/20