10 out of 15 as a Percentage
10 out of 15 is 66.67%, which is a letter grade of D.
Percentage
66.67%
Letter Grade
D
Wrong Answers
5
Simplified
2/3
Understanding the Calculation
To convert 10 out of 15 into a percentage, divide the correct answers (10) by the total questions (15) and multiply by 100:
(10 ÷ 15) × 100 = 66.67%
With 10 correct answers out of 15, you got 5 wrong. The fraction 10/15 simplifies to 2/3. On the standard grading scale, 66.67% corresponds to a D.