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How do you simplify expressions with variables?
You multiply out brackets, remove common factors from fractions, combine like terms.
How do you multiply fractions with variables?
In order to multiply fractions with variables, factor all numerators and denominators completely. Use the rules for multiplying and dividing fractions, cancel any common factors, and leave your final answer in factored form.
How does knowing factors help you simplify fractions?
Knowing factors will help you find a GCF. To simplify a fraction, divide the numerator and the denominator by their GCF.
What is cross canceling in dividing fractions?
Cross canceling in dividing fractions is when you simplify the fractions by canceling out common factors in the numerators and denominators diagonally across from each other. This helps to make the division process easier and quicker. So, basically, it's like cutting out the middleman and getting straight to the point when dividing fractions.
When multiplying proper fractions why is the product less than the both factors?
A proper fraction is less than 1. Any positive number multiplied by a positive number less 1 will be less than itself. In multiplying two proper fractions, each one is being multiplied by a number less than 1.
