2/9 minus what equals 1/2?

Here we will show you how to calculate "what" in this sentence: "2/9 minus what equals 1/2?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

2/9 - x = 1/2

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 2/9 on both sides like this:

2/9 - 2/9 - x = 1/2 - 2/9

2/9 - 2/9 - x leaves -x and 1/2 - 2/9 is 5/18 which means we end up with -x = 5/18. Then, you multiply each side by -1 to get x = -5/18. Therefore, the answer to "2/9 minus what equals 1/2?" is as follows:

-5/18

It is always good to double-check your math to make sure you did it right. When we entered -5/18 for x in this equation 2/9 - x = 1/2, we get the following true equation which means our math is correct.

2/9 - -5/18 = 1/2

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