What plus 5/8 equals 3/5?

Here we will show you how to calculate "what" in this sentence: "What plus 5/8 equals 3/5?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

x + 5/8 = 3/5

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 5/8 on both sides like this:

x + 5/8 - 5/8 = 3/5 - 5/8

x + 5/8 - 5/8 leaves x and 3/5 - 5/8 is -1/40 which means we end up with x = -1/40. Therefore, the answer to "What plus 5/8 equals 3/5?" is as follows:

-1/40

It is always good to double-check your math to make sure you did it right. When we entered -1/40 for x in this equation x + 5/8 = 3/5, we get the following true equation which means our math is correct.

-1/40 + 5/8 = 3/5

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