1/3 minus what equals 2/8?

Here we will show you how to calculate "what" in this sentence: "1/3 minus what equals 2/8?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

1/3 - x = 2/8

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 1/3 on both sides like this:

1/3 - 1/3 - x = 2/8 - 1/3

1/3 - 1/3 - x leaves -x and 2/8 - 1/3 is -1/12 which means we end up with -x = -1/12. Then, you multiply each side by -1 to get x = 1/12. Therefore, the answer to "1/3 minus what equals 2/8?" is as follows:

1/12

It is always good to double-check your math to make sure you did it right. When we entered 1/12 for x in this equation 1/3 - x = 2/8, we get the following true equation which means our math is correct.

1/3 - 1/12 = 2/8

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