3/4 minus what equals 4/5?
Here we will show you how to calculate "what" in this sentence: "3/4 minus what equals 4/5?" We start by making this word problem into an algebraic equation where "what" is the variable "x".
3/4 - x = 4/5
To solve this equation, we want x alone on the left side of the equation so we start by subtracting 3/4 on both sides like this:
3/4 - 3/4 - x = 4/5 - 3/4
3/4 - 3/4 - x leaves -x and 4/5 - 3/4 is 1/20 which means we end up with -x = 1/20. Then, you multiply each side by -1 to get x = -1/20. Therefore, the answer to "3/4 minus what equals 4/5?" is as follows:
It is always good to double-check your math to make sure you did it right. When we entered -1/20 for x in this equation 3/4 - x = 4/5, we get the following true equation which means our math is correct.
3/4 - -1/20 = 4/5
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