Question

Sean answer 63 questions correctly on a test of 81 questions what fractional part of the question did he answer incorrectly

Answer 1

Sean got 63/81 questions right as a fraction.

Explanation:

Sean got 63/81 correct. If there was a total of 81 questions, you put that as your denominator.

Now ask yourself: Can you simplify?

Yes you can.

You divide each number from the fraction by 9.

63 / 9 = 7

81 / 9 = 9

7/9 questions that Sean got correct.

If you also want a percentage + grade, Sean would get 77% which would be a C+