What plus 4 equals 3/8?

Here we will show you how to find the answer to "What plus 4 equals 3/8?" In other words, x plus 4 equals 3/8. What is x?

First, note that 4 is a number and 3/8 is a fraction. You can convert the 4 to a fraction by making 4 the numerator and 1 the denominator. Thus, here is the question "What plus 4 equals 3/8?" as a function:

x +

		4
		1

		3
		8

Next, we move the 4/1 fraction from the left side to the right side to make x alone on the left side. Don't forget that when we move it to the other side, we have to make it a negative fraction instead of a positive fraction like so:

x =

		3
		8

		4
		1

Finally, we subtract 4/1 from 3/8 to get the answer to "What plus 4 equals 3/8?"

x =

		29
		8

That's it! Now you know how to calculate "What plus 4 equals 3/8?". The answer to "What plus 4 equals 3/8?" in its simplest form is -3 5/8. You know this answer is correct because 4 plus -3 5/8 equals 3/8.

Bonus: You may also be interested to know that the answer in decimal form is -3.625 (rounded to 4 decimal places if necessary). We calculated the decimal answer by dividing the numerator of the fraction answer by the denominator of the fraction answer (-29/8).

What Plus Number Equals Fraction Calculator
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