Compare 6/12 and 14/21
6/12 is smaller than 14/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
6/12 = 6 × 7/12 × 7 = 42/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 42/84 < 56/84 or 6/12 < 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12 and 28/21 6/24 and 14/21 6/12 and 14/42 18/12 and 14/21 6/12 and 42/21 6/36 and 14/21 6/12 and 14/63 30/12 and 14/21 6/12 and 70/21 6/60 and 14/21 42/12 and 14/21 6/12 and 98/21 6/84 and 14/21