College

1. Find the Error

A student is adding 13, 33, and 45. The first step the student performs is to find the common denominator of 9, 3, and 6. Find the student's mistake and correct it.

The least common denominator of 9, 3, and 6 is 36 because you can divide 36 by all of these numbers without getting a remainder.

Answer :

Final answer:

The student made a mistake by finding the common denominator when adding numbers. The correct addition is 91.


Explanation:

The student's mistake is finding the common denominator of 9, 3, and 6 instead of the given numbers 13, 33, and 45. To add these numbers, we do not need to find a common denominator. We can simply add them directly.

Correct addition would be:

13 + 33 + 45 = 91


Learn more about Adding numbers here:

https://brainly.com/question/14889004


Other Questions