Compare 5/6 and 7/21
5/6 is greater than 7/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
5/6 = 5 × 7/6 × 7 = 35/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
7/21 = 7 × 2/21 × 2 = 14/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 35/42 > 14/42 or 5/6 > 7/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/6 and 7/21 5/6 and 14/21 5/12 and 7/21 5/6 and 7/42 15/6 and 7/21 5/18 and 7/21 5/6 and 7/63 25/6 and 7/21 5/6 and 35/21 5/30 and 7/21 35/6 and 7/21 5/6 and 49/21 5/42 and 7/21