Multiplying And Dividing Rational Numbers Math
To divide rational numbers you turn the division problem into a multiplication problem by flipping the second rational number.
Multiplying and dividing rational numbers math. Multiply the denominators simplify the new fraction by canceling common factors. Nothing more nothing less. Module 2 lesson 15 multiplying and dividing rational numbers module 2 lesson 15 multiplication and division of rational numbers docx 206 085 kb last modified on july 8 2016 comments 1. Either multiply the denominators and numerators together or leave the solution in factored form.
Multiplying rational expressions rational expressions are multiplied the same way as you would multiply regular fractions. Then you go ahead and multiply the tops and bottoms together to get. If the two numbers factors have the same sign their product is positive. Multiplying and dividing rational numbers.
The rules for multiplying rational numbers are the same as the rules for multiplying integers. 7 ns a 2a understand that multiplication is extended from fractions to rational numbers by requiring that operations continue to satisfy the properties of operations particularly the distributive property leading to products such as 1 1 1 and the rules for multiplying signed numbers. Multiply the absolute values of the two rational numbers. Cancel all common factors.
Interpret products of rational numbers by describing real world contexts. To multiply a rational expression. Factor all numerators and denominators.