Add 81/18 and 24/36
1st number: 4 9/18, 2nd number: 24/36
81/18 + 24/36 is 31/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
81/18 = 81 × 2/18 × 2 = 162/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
24/36 = 24 × 1/36 × 1 = 24/36 - Add the two like fractions:
162/36 + 24/36 = 162 + 24/36 = 186/36 - 186/36 simplified gives 31/6
- So, 81/18 + 24/36 = 31/6
In mixed form: 51/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/18+48/36 81/36+24/36 81/18+24/72 81/18+72/36 81/54+24/36 81/90+24/36