Add 30/3 and 4/81
1st number: 10 0/3, 2nd number: 4/81
30/3 + 4/81 is 814/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
30/3 = 30 × 27/3 × 27 = 810/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
4/81 = 4 × 1/81 × 1 = 4/81 - Add the two like fractions:
810/81 + 4/81 = 810 + 4/81 = 814/81 - So, 30/3 + 4/81 = 814/81
In mixed form: 104/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3+4/81 30/3+8/81 30/6+4/81 90/3+4/81 30/3+12/81 30/9+4/81 30/3+20/81 30/15+4/81 30/3+28/81 30/21+4/81