Add 25/12 and 3/81
1st number: 2 1/12, 2nd number: 3/81
25/12 + 3/81 is 229/108.
Steps for adding 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,
25/12 = 25 × 27/12 × 27 = 675/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
3/81 = 3 × 4/81 × 4 = 12/324 - Add the two like fractions:
675/324 + 12/324 = 675 + 12/324 = 687/324 - 687/324 simplified gives 229/108
- So, 25/12 + 3/81 = 229/108
In mixed form: 213/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12+3/81 25/12+6/81 25/24+3/81 75/12+3/81 25/12+9/81 25/36+3/81 25/12+15/81 25/60+3/81 25/12+21/81 25/84+3/81