Add 5/81 and 8/36
5/81 + 8/36 is 23/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
5/81 = 5 × 4/81 × 4 = 20/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
8/36 = 8 × 9/36 × 9 = 72/324 - Add the two like fractions:
20/324 + 72/324 = 20 + 72/324 = 92/324 - 92/324 simplified gives 23/81
- So, 5/81 + 8/36 = 23/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/81+8/36 5/81+16/36 5/81+8/72 15/81+8/36 5/81+24/36 25/81+8/36 5/81+40/36 35/81+8/36 5/81+56/36