Add 81/3 and 6/90
1st number: 27 0/3, 2nd number: 6/90
81/3 + 6/90 is 406/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
81/3 = 81 × 30/3 × 30 = 2430/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Add the two like fractions:
2430/90 + 6/90 = 2430 + 6/90 = 2436/90 - 2436/90 simplified gives 406/15
- So, 81/3 + 6/90 = 406/15
In mixed form: 271/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3+12/90 81/6+6/90 81/3+18/90 81/9+6/90 81/3+30/90 81/15+6/90 81/3+42/90 81/21+6/90