2/5 minus what equals 3/6?

Here we will show you how to calculate "what" in this sentence: "2/5 minus what equals 3/6?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

2/5 - x = 3/6

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 2/5 on both sides like this:

2/5 - 2/5 - x = 3/6 - 2/5

2/5 - 2/5 - x leaves -x and 3/6 - 2/5 is 1/10 which means we end up with -x = 1/10. Then, you multiply each side by -1 to get x = -1/10. Therefore, the answer to "2/5 minus what equals 3/6?" is as follows:

-1/10

It is always good to double-check your math to make sure you did it right. When we entered -1/10 for x in this equation 2/5 - x = 3/6, we get the following true equation which means our math is correct.

2/5 - -1/10 = 3/6

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