2/5 plus what equals 5/3?

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

2/5 + x = 5/3

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 = 5/3 - 2/5

2/5 - 2/5 + x leaves x and 5/3 - 2/5 is 1 4/15 which means we end up with x = 1 4/15. Therefore, the answer to "2/5 plus what equals 5/3?" is as follows:

1 4/15

It is always good to double-check your math to make sure you did it right. When we entered 1 4/15 for x in this equation 2/5 + x = 5/3, we get the following true equation which means our math is correct.

2/5 + 1 4/15 = 5/3

Fraction Plus What Equals Fraction Calculator
Here you can submit another "a/b plus what equals c/d?" word problem that we can solve with basic algebra.

2/5 plus what equals 5/4?
Go here for the next word problem that we have tackled with math.