Compare 14/20 and 7/21
14/20 is greater than 7/21
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,
14/20 = 14 × 21/20 × 21 = 294/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
7/21 = 7 × 20/21 × 20 = 140/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/420 > 140/420 or 14/20 > 7/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20 and 7/21 14/20 and 14/21 14/40 and 7/21 14/20 and 7/42 42/20 and 7/21 14/60 and 7/21 14/20 and 7/63 70/20 and 7/21 14/20 and 35/21 98/20 and 7/21 14/20 and 49/21