Compare 70/21 and 14/9
1st number: 3 7/21, 2nd number: 1 5/9
70/21 is greater than 14/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
70/21 = 70 × 3/21 × 3 = 210/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
14/9 = 14 × 7/9 × 7 = 98/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/63 > 98/63 or 70/21 > 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21 and 28/9 70/42 and 14/9 70/21 and 14/18 70/21 and 42/9 70/63 and 14/9 70/21 and 14/27 70/21 and 70/9 70/21 and 14/45 70/21 and 98/9 70/21 and 14/63