Jordan got 27 out of 90 correct in his test. what fraction of the marks did he get wrong? give your answer in its simplest form.

Explanation:

It is given that Jordan got 27 out of 90 correct in his test.

Total marks = 90

Correct answers = 27

Incorrect answers = 90 -27 = 63

The fraction of the marks he did wrong.

Simplify the above expression.

Therefore, the fraction of the marks he did wrong is 7/10.

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