**Number, Operation and Quantitative Reasoning**

Numbers can be combined through various methods like addition, subtraction, multiplication and division. When using addition and multiplication between numbers, certain rules which have to be followed.

Below are called** Field Axioms **and **every a,b,c € R:**

**Commutative property: **

**Associative property: **

**Distributive property: **

**Identity property: **

**Inverse property: **

**Least Common Multiple (LCM):**

LCM between numbers is the product all the factors.

To start answering, first the numbers have to be prime factorized!

**Example: **Find the LCM between 24, 50 and 88.

**Greatest Common factor (GCF):**

GCF between numbers is the common shared factor.

**Example:** Find GCF between 24,50 and 88.

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