6/9 minus what equals 2/8?

Here we will show you how to calculate "what" in this sentence: "6/9 minus what equals 2/8?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

6/9 - x = 2/8

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 6/9 on both sides like this:

6/9 - 6/9 - x = 2/8 - 6/9

6/9 - 6/9 - x leaves -x and 2/8 - 6/9 is -5/12 which means we end up with -x = -5/12. Then, you multiply each side by -1 to get x = 5/12. Therefore, the answer to "6/9 minus what equals 2/8?" is as follows:

5/12

It is always good to double-check your math to make sure you did it right. When we entered 5/12 for x in this equation 6/9 - x = 2/8, we get the following true equation which means our math is correct.

6/9 - 5/12 = 2/8

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