Order of operations tells you to perform multiplication and division first, working from left to right, before doing addition and subtraction. ... (Note that addition is not necessarily performed before subtraction.)

What comes first addition or subtraction?

Over time, mathematicians have agreed on a set of rules called the order of operations to determine which operation to do first. When an expression only includes the four basic operations, here are the rules: Multiply and divide from left to right. Add and subtract from left to right.

Do I Do addition before subtraction?

The order of operations is the order you use to work out math expressions: parentheses, exponents, multiplication, division, addition, subtraction. ... However, multiplication and division MUST come before addition and subtraction. The acronym PEMDAS is often used to remember this order.