What minus 4/5 equals 9/4?

Here we will show you how to calculate "what" in this sentence: "What minus 4/5 equals 9/4?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

x - 4/5 = 9/4

To solve this equation, we want x alone on the left side of the equation so we start by adding 4/5 on both sides like this:

x - 4/5 + 4/5 = 9/4 + 4/5

x - 4/5 + 4/5 leaves x and 9/4 + 4/5 is 3 1/20 which means we end up with x = 3 1/20. Therefore, the answer to "What minus 4/5 equals 9/4?" is as follows:

3 1/20

It is always good to double-check your math to make sure you did it right. When we entered 3 1/20 for x in this equation x - 4/5 = 9/4, we get the following true equation which means our math is correct.

3 1/20 - 4/5 = 9/4

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