11/18+1/81

Compute 11/18 + 1/81.

• Common denominator: lcm(18,81) = 162
• Convert: 11/18 = 99/162, 1/81 = 2/162
• Sum: 99/162 + 2/162 = 101/162

So the result in lowest terms is 101/162 (approximately 0.62345679).