7/9 plus what equals 6/7?

Here we will show you how to calculate "what" in this sentence: "7/9 plus what equals 6/7?" We start by making this word problem into an algebraic equation where "what" is the variable "x".

7/9 + x = 6/7

To solve this equation, we want x alone on the left side of the equation so we start by subtracting 7/9 on both sides like this:

7/9 - 7/9 + x = 6/7 - 7/9

7/9 - 7/9 + x leaves x and 6/7 - 7/9 is 5/63 which means we end up with x = 5/63. Therefore, the answer to "7/9 plus what equals 6/7?" is as follows:

5/63

It is always good to double-check your math to make sure you did it right. When we entered 5/63 for x in this equation 7/9 + x = 6/7, we get the following true equation which means our math is correct.

7/9 + 5/63 = 6/7

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