Add 9/18 and 1/81
9/18 + 1/81 is 83/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
9/18 = 9 × 9/18 × 9 = 81/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
1/81 = 1 × 2/81 × 2 = 2/162 - Add the two like fractions:
81/162 + 2/162 = 81 + 2/162 = 83/162 - So, 9/18 + 1/81 = 83/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18+2/81 9/36+1/81 27/18+1/81 9/18+3/81 9/54+1/81 45/18+1/81 9/18+5/81 9/90+1/81 63/18+1/81 9/18+7/81