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www.ask.com/math/order-operations-fractions-6adbf9465364b495

When dealing with fractions, the

To follow the order of operations in math, first do any calculations that are inside parentheses and take care of exponents and roots. Next, perform all multiplications and divisions, left to right. Then do all additions and subtractions, left to right.

A handy mnemonic for remembering the order of operations is PEMDAS, or "Please excuse my dear aunt Sally".

en.wikipedia.org/wiki/Order_of_operations

In mathematics and computer programming, the **order of operations** (or operator
precedence) is a collection of rules that define which procedures to perform first ...

www.mathgoodies.com/lessons/vol7/order_operations.html

math.about.com/library/weekly/aa040502a.htm

15 + 5 X 10 -- Without following the correct order , I know that 15+5=20 multiplied by 10 gives me the answer of 200.
15 + 5 X 10 -- Following the order of operations , I know that 5X10 = 50 plus 15 = 65. Some of the m... More »

www.khanacademy.org/math/pre-algebra/order-of-operations/order_of_operations/v/introduction-to-order-of-operations

This example clarifies the purpose of

www.mathsisfun.com/operation-order-pemdas.html

www.purplemath.com/modules/orderops.htm

Explains the

www.mathplayground.com/order_of_operations.html

Use the

www.math.com/school/subject2/lessons/S2U1L2GL.html

When expressions have more than one operation, we have to follow rules for the

Popular Q&A

Q:
How to Use Order of Operations .

A:
Instructions. Look for any parentheses and brackets in the equation. Calculate the operations within the parentheses first, and then calculate operations inside...
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Source:
www.ehow.com

Q:
How to Do Order of Operation

A:
First of all the order of operation has a rule that is called PEMDAS. Please excuse my dear aunt sally. Always remember to go from left to right and it goes as ...
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Source:
www.ehow.com

Q:
How to Apply the Order of Operations

A:
1 Perform any calculations inside the innermost parenthesis (or any other types of grouping symbols) first. Then progress outward. 12 - 8 ÷ 4 + [(6 + 2) - 3] 2 ...
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Source:
www.wikihow.com

Q:
How to Apply the Order of Operations

A:
1 Perform any calculations inside the innermost parenthesis (grouping symbols in general) first . Then progress outward. 12 - 8 ÷ 4 + [(6 + 2) - 3] 2 •3 12 - 8 ...
Read More »

Source:
www.wikihow.com

Q:
Why is there an order of operations in math?

A:
Because without an agreed upon order , some calculations would yield ambiguous results.
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Source:
wiki.answers.com