Here we will explain what 99 mod 72 means and show how to calculate it. 99 mod 72 is short for 99 modulo 72 and it can also be called 99 modulus 72.
Modulo is the operation of finding the Remainder when you divide two numbers. Therefore, when you ask "What is 99 mod 72?" you are asking "What is the Remainder when you divide 99 by 72?".
We will show you two methods of finding 99 mod 72 (99 modulo 72). 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 99 is the Dividend, 72 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 99 mod 72 using the Modulo Method, we first divide the Dividend (99) by the Divisor (72).
Second, we multiply the Whole part of the Quotient in the previous step by the Divisor (72).
Then finally, we subtract the answer in the second step from the Dividend (99) to get the answer. Here is the math to illustrate how to get 99 mod 72 using our Modulo Method:
99 ÷ 72 = 1.375
1 × 72 = 72
99 - 72 = 27
Thus, the answer to "What is 99 mod 72?" is 27.
Modulus Method
To find 99 mod 72 using the Modulus Method, we first find the highest multiple of the Divisor (72) that is equal to or less than the Dividend (99).
Then, we subtract the highest Divisor multiple from the Dividend to get the answer to 99 modulus 72 (99 mod 72):
Multiples of 72 are 0, 72, 144, 216, etc. and the highest multiple of 72 equal to or less than 99 is 72. Therefore, to get the answer:
99 - 72 = 27
Thus, once again, the answer to "What is 99 mod 72?" is 27.
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