What minus 2/5 equals 5/4?

Here we will show you how to calculate "what" in this sentence: "What minus 2/5 equals 5/4?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

x - 2/5 = 5/4

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

x - 2/5 + 2/5 = 5/4 + 2/5

x - 2/5 + 2/5 leaves x and 5/4 + 2/5 is 1 13/20 which means we end up with x = 1 13/20. Therefore, the answer to "What minus 2/5 equals 5/4?" is as follows:

1 13/20

It is always good to double-check your math to make sure you did it right. When we entered 1 13/20 for x in this equation x - 2/5 = 5/4, we get the following true equation which means our math is correct.

1 13/20 - 2/5 = 5/4

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