Add 7/36 and 6/81
7/36 + 6/81 is 29/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 36 × 9 = 324,
7/36 = 7 × 9/36 × 9 = 63/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
6/81 = 6 × 4/81 × 4 = 24/324 - Add the two like fractions:
63/324 + 24/324 = 63 + 24/324 = 87/324 - 87/324 simplified gives 29/108
- So, 7/36 + 6/81 = 29/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36+6/81 7/36+12/81 7/72+6/81 21/36+6/81 7/36+18/81 35/36+6/81 7/36+30/81 49/36+6/81 7/36+42/81