Add 2/36 and 45/81
2/36 + 45/81 is 11/18.
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,
2/36 = 2 × 9/36 × 9 = 18/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
45/81 = 45 × 4/81 × 4 = 180/324 - Add the two like fractions:
18/324 + 180/324 = 18 + 180/324 = 198/324 - 198/324 simplified gives 11/18
- So, 2/36 + 45/81 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/36+45/81 2/36+90/81 2/72+45/81 6/36+45/81 10/36+45/81 14/36+45/81