Calculate the value of: 12 (13/18) + 16 (11/27) − 10 (5/9) = ?

Explanation

First, sum the whole numbers: 12 + 16 − 10 = 18. Then, combine the fractional parts: 13/18 + 11/27 − 5/9 = (39 + 22 − 30) / 54 = 31/54. Adding these gives 18 and 31/54, which simplifies to approximately 18. The closest whole number is 18, making option C the correct answer.