Add 81/3 and 20/36
1st number: 27 0/3, 2nd number: 20/36
81/3 + 20/36 is 248/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 3 × 12 = 36,
81/3 = 81 × 12/3 × 12 = 972/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Add the two like fractions:
972/36 + 20/36 = 972 + 20/36 = 992/36 - 992/36 simplified gives 248/9
- So, 81/3 + 20/36 = 248/9
In mixed form: 275/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3+40/36 81/6+20/36 81/3+20/72 81/3+60/36 81/9+20/36 81/15+20/36 81/21+20/36