Fundamental relationship of the division

THE division is one of the four Mathematics operations (addition, subtraction, multiplication and division) and is represented by the following algorithm:

Dividend← the | B → Divider
Rest ← d c → Quotient

To better understand the use of this algorithm, follow the examples below:

→ Example: Using the division algorithm, get the result of the divisions below:

a) 24: 2

 24 | 2
-24 12
00

24 → Dividend,
2 → Divider
12 → Quotient
0 → Rest

B)34: 2

34 | 2
- 34 17
00

34 → Dividend
2 → Divider
17 → Quotient
0 → Rest

ç)22: 4

 22 | 4
-20 5
 02

22 → Dividend
4 → Divider
5 → Quotient
2 → Rest

The division algorithm can also be represented horizontally through an equality. This method is called Fundamental Relationship of the Division:

dividend = divisor x quotient + remainder

Every time we apply this relationship, we will be able to find out the value of the dividend, as long as the other values ​​are known. See some examples:

→ Example: Find the value of the dividend knowing that the divisor is 5, the quotient is 12, and the remainder is zero.

Divider = 5
Quotient = 12
Rest = 0
Dividend = the

Using the Fundamental Relationship of the Division, we obtain the value of the dividend:

dividend = divisor x quotient + remainder
a = 5 x 12 + 0
a = 60

The numerical value representing the dividend is 60.

→ Example: Carlos divided a numerical value by 2 and got 24 as an answer. What was the value that Carlos shared?

Divider = 2
Quotient = 24
Rest = 0
Dividend = the
Applying the Fundamental Relationship of the Division, we have to:

dividend = divisor x quotient + remainder
a =2 x 24 + 0
a = 48

→ Example: Look at the division algorithm below and get the value of The, regarding the dividend.

The | 9
3 17

Apply the Division's Fundamental Relationship to obtain The:

dividend = divisor x quotient + remainder
a =9 x 17 + 3
a = 156


By Naysa Oliveira
Graduated in Mathematics

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