Compare 7/4 and 84/81
1st number: 1 3/4, 2nd number: 1 3/81
7/4 is greater than 84/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
7/4 = 7 × 81/4 × 81 = 567/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
84/81 = 84 × 4/81 × 4 = 336/324 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/324 > 336/324 or 7/4 > 84/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4 and 84/81 7/8 and 84/81 21/4 and 84/81 7/12 and 84/81 35/4 and 84/81 7/20 and 84/81 49/4 and 84/81 7/28 and 84/81