Here we will explain what 10 mod 18 means and show how to calculate it. 10 mod 18 is short for 10 modulo 18 and it can also be called 10 modulus 18.
Modulo is the operation of finding the Remainder when you divide two numbers. Therefore, when you ask "What is 10 mod 18?" you are asking "What is the Remainder when you divide 10 by 18?".
We will show you two methods of finding 10 mod 18 (10 modulo 18). To differentiate our methods, we will call them the "Modulo Method" and the "Modulus Method".
Before we continue, we remind you of what the different parts of a division problem are called so you can follow along: Dividend / Divisor = Quotient and in this case 10 is the Dividend, 18 is the Divisor, and the answer is called the Quotient.
Furthermore, the Quotient x.y has two parts: x to the left of the decimal point is the Whole part, and y to the right of the decimal point is the Fractional part.
Modulo Method
To find 10 mod 18 using the Modulo Method, we first divide the Dividend (10) by the Divisor (18).
Second, we multiply the Whole part of the Quotient in the previous step by the Divisor (18).
Then finally, we subtract the answer in the second step from the Dividend (10) to get the answer. Here is the math to illustrate how to get 10 mod 18 using our Modulo Method:
10 ÷ 18 ≈ 0.555556
0 × 18 = 0
10 - 0 = 10
Thus, the answer to "What is 10 mod 18?" is 10.
Modulus Method
To find 10 mod 18 using the Modulus Method, we first find the highest multiple of the Divisor (18) that is equal to or less than the Dividend (10).
Then, we subtract the highest Divisor multiple from the Dividend to get the answer to 10 modulus 18 (10 mod 18):
Multiples of 18 are 0, 18, 36, 54, etc. and the highest multiple of 18 equal to or less than 10 is 0. Therefore, to get the answer:
10 - 0 = 10
Thus, once again, the answer to "What is 10 mod 18?" is 10.
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