Compare 20/21 and 8/14
20/21 is greater than 8/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
20/21 = 20 × 2/21 × 2 = 40/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
8/14 = 8 × 3/14 × 3 = 24/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/42 > 24/42 or 20/21 > 8/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21 and 8/14 20/21 and 16/14 20/42 and 8/14 20/21 and 8/28 60/21 and 8/14 20/21 and 24/14 20/63 and 8/14 20/21 and 8/42 20/21 and 40/14 20/21 and 8/70 20/21 and 56/14 20/21 and 8/98