# 1: Real Numbers and Their Operations

- Page ID
- 18332

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- 1.3: Multiplying and Dividing Integers
- The result of multiplying real numbers is called the product and the result of dividing is called the quotient. A positive number multiplied by a negative number is negative. A negative number multiplied by a negative number is positive. Multiplication is commutative and division is not. When simplifying, work the operations of multiplication and division in order from left to right.

- 1.4: Fractions
- A fraction is a real number written as a quotient, or ratio, of two integers a and b , where b≠0 .