Add 1/18 and 12/81
1/18 + 12/81 is 11/54.
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,
1/18 = 1 × 9/18 × 9 = 9/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
12/81 = 12 × 2/81 × 2 = 24/162 - Add the two like fractions:
9/162 + 24/162 = 9 + 24/162 = 33/162 - 33/162 simplified gives 11/54
- So, 1/18 + 12/81 = 11/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+12/81 1/18+24/81 1/36+12/81 3/18+12/81 1/18+36/81 1/54+12/81 5/18+12/81 1/18+60/81 1/90+12/81 7/18+12/81 1/18+84/81