What minus 3/8 equals 4/5?

Here we will show you how to calculate "what" in this sentence: "What minus 3/8 equals 4/5?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

x - 3/8 = 4/5

To solve this equation, we want x alone on the left side of the equation so we start by adding 3/8 on both sides like this:

x - 3/8 + 3/8 = 4/5 + 3/8

x - 3/8 + 3/8 leaves x and 4/5 + 3/8 is 1 7/40 which means we end up with x = 1 7/40. Therefore, the answer to "What minus 3/8 equals 4/5?" is as follows:

1 7/40

It is always good to double-check your math to make sure you did it right. When we entered 1 7/40 for x in this equation x - 3/8 = 4/5, we get the following true equation which means our math is correct.

1 7/40 - 3/8 = 4/5

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