Add 3/6 and 90/81
1st number: 3/6, 2nd number: 1 9/81
3/6 + 90/81 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
3/6 = 3 × 27/6 × 27 = 81/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
90/81 = 90 × 2/81 × 2 = 180/162 - Add the two like fractions:
81/162 + 180/162 = 81 + 180/162 = 261/162 - 261/162 simplified gives 29/18
- So, 3/6 + 90/81 = 29/18
In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 3/12+90/81 9/6+90/81 3/18+90/81 15/6+90/81 3/30+90/81 21/6+90/81 3/42+90/81