Compare 64/7 and 21/9
1st number: 9 1/7, 2nd number: 2 3/9
64/7 is greater than 21/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
64/7 = 64 × 9/7 × 9 = 576/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
21/9 = 21 × 7/9 × 7 = 147/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 576/63 > 147/63 or 64/7 > 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/7 and 42/9 64/14 and 21/9 64/7 and 21/18 64/7 and 63/9 64/21 and 21/9 64/7 and 21/27 64/35 and 21/9 64/7 and 21/45 64/49 and 21/9 64/7 and 21/63