Compare 70/12 and 98/81
1st number: 5 10/12, 2nd number: 1 17/81
70/12 is greater than 98/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
70/12 = 70 × 27/12 × 27 = 1890/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
98/81 = 98 × 4/81 × 4 = 392/324 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1890/324 > 392/324 or 70/12 > 98/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24 and 98/81 70/36 and 98/81 70/60 and 98/81 70/84 and 98/81