Add 36/18 and 81/6
1st number: 2 0/18, 2nd number: 13 3/6
36/18 + 81/6 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
36/18 = 36 × 1/18 × 1 = 36/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
81/6 = 81 × 3/6 × 3 = 243/18 - Add the two like fractions:
36/18 + 243/18 = 36 + 243/18 = 279/18 - 279/18 simplified gives 31/2
- So, 36/18 + 81/6 = 31/2
In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+81/6 36/18+81/12 36/54+81/6 36/18+81/18 36/90+81/6 36/18+81/30 36/18+81/42