What plus 3/5 equals 1/3?

Here we will show you how to calculate "what" in this sentence: "What plus 3/5 equals 1/3?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

x + 3/5 = 1/3

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 3/5 on both sides like this:

x + 3/5 - 3/5 = 1/3 - 3/5

x + 3/5 - 3/5 leaves x and 1/3 - 3/5 is -4/15 which means we end up with x = -4/15. Therefore, the answer to "What plus 3/5 equals 1/3?" is as follows:

-4/15

It is always good to double-check your math to make sure you did it right. When we entered -4/15 for x in this equation x + 3/5 = 1/3, we get the following true equation which means our math is correct.

-4/15 + 3/5 = 1/3

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