Add 81/36 and 12/18
1st number: 2 9/36, 2nd number: 12/18
81/36 + 12/18 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
81/36 = 81 × 1/36 × 1 = 81/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
12/18 = 12 × 2/18 × 2 = 24/36 - Add the two like fractions:
81/36 + 24/36 = 81 + 24/36 = 105/36 - 105/36 simplified gives 35/12
- So, 81/36 + 12/18 = 35/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/36+24/18 81/72+12/18 81/36+12/36 81/36+36/18 81/36+12/54 81/36+60/18 81/36+12/90 81/36+84/18