Add 3/12 and 10/81
3/12 + 10/81 is 121/324.
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,
3/12 = 3 × 27/12 × 27 = 81/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
10/81 = 10 × 4/81 × 4 = 40/324 - Add the two like fractions:
81/324 + 40/324 = 81 + 40/324 = 121/324 - So, 3/12 + 10/81 = 121/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+10/81 3/12+20/81 3/24+10/81 9/12+10/81 3/12+30/81 3/36+10/81 15/12+10/81 3/12+50/81 3/60+10/81 21/12+10/81 3/12+70/81 3/84+10/81