1/2 minus what equals 4/9?

Here we will show you how to calculate "what" in this sentence: "1/2 minus what equals 4/9?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

1/2 - x = 4/9

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 1/2 on both sides like this:

1/2 - 1/2 - x = 4/9 - 1/2

1/2 - 1/2 - x leaves -x and 4/9 - 1/2 is -1/18 which means we end up with -x = -1/18. Then, you multiply each side by -1 to get x = 1/18. Therefore, the answer to "1/2 minus what equals 4/9?" is as follows:

1/18

It is always good to double-check your math to make sure you did it right. When we entered 1/18 for x in this equation 1/2 - x = 4/9, we get the following true equation which means our math is correct.

1/2 - 1/18 = 4/9

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