In a particular simplification if you have both multiplication and division do the operations one by one in the order from left to right. They are rules that show how something written one form may be rewritten in another form. In a fraction if both the numerator and the denominator are inverted the value of the fraction stays the same.
In mathematics and computer programming the order of operations or operator precedence is a collection of rules that reflect conventions about which procedures to perform first in order to evaluate a given mathematical expression.
3 8. Associative Property of. Operations There are four basic operations. Purple Math A great site for the Algebra student it contains lessons reviews and homework guidelines.