Add 1/81 and 3/4
1/81 + 3/4 is 247/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
1/81 = 1 × 4/81 × 4 = 4/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
3/4 = 3 × 81/4 × 81 = 243/324 - Add the two like fractions:
4/324 + 243/324 = 4 + 243/324 = 247/324 - So, 1/81 + 3/4 = 247/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81+3/4 1/81+6/4 1/81+3/8 3/81+3/4 1/81+9/4 1/81+3/12 5/81+3/4 1/81+15/4 1/81+3/20 7/81+3/4 1/81+21/4 1/81+3/28