Compare 6/25 and 21/42
6/25 is smaller than 21/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
6/25 = 6 × 42/25 × 42 = 252/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
21/42 = 21 × 25/42 × 25 = 525/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/1050 < 525/1050 or 6/25 < 21/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/25 and 21/42 6/50 and 21/42 6/25 and 21/84 18/25 and 21/42 6/25 and 63/42 6/75 and 21/42 30/25 and 21/42 42/25 and 21/42