5/2 plus what equals 2/3?

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

5/2 + x = 2/3

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

5/2 - 5/2 + x = 2/3 - 5/2

5/2 - 5/2 + x leaves x and 2/3 - 5/2 is -1 5/6 which means we end up with x = -1 5/6. Therefore, the answer to "5/2 plus what equals 2/3?" is as follows:

-1 5/6

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

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

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