Compare 6/20 and 25/21
1st number: 6/20, 2nd number: 1 4/21
6/20 is smaller than 25/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
6/20 = 6 × 21/20 × 21 = 126/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
25/21 = 25 × 20/21 × 20 = 500/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/420 < 500/420 or 6/20 < 25/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20 and 25/21 6/20 and 50/21 6/40 and 25/21 6/20 and 25/42 18/20 and 25/21 6/20 and 75/21 6/60 and 25/21 6/20 and 25/63 30/20 and 25/21 42/20 and 25/21