Nathaniel and Fadi read books for Ms. Jackson class reading contest. Nathaniel read 9/28 of their class's total pages and Fadi read 3/28 of their class's total pages. What fraction of their class's total pages did Nathaniel and Fadi read in all? Simplify the answer if possible.

Question

A. 3/56
B. 3/28
C. 3/14
D. 3/7

Answer 1

The fraction of the total pages that Nathaniel read is 9/28, and the fraction of the total pages that Fadi read is 3/28. Therefore, Nathaniel and Fadi together read 9/28 + 3/28 = <<9/28+3/28=12/28=3/7>>3/7 of the total pages. Answer: \boxed{\text{(D) } \frac{3}{7}}.