ORDER OF OPERATIONS: Problem 2
- Rule 21:
Expressions in parenthesis are treated as one
number and must be calculate first.
Problem 2: Calculate .
Answer: The answer is .
- Since there parenthesis in the problem. Work from
left to right. The parenthesis contains multiplication and subtraction. Perofrm the
multiplication first. After the first multiplication, the parenthesis
is simplified to .
After the second
multiplication, the parenthesis is simplified to .
can now be written .
The remaining parenthesis contains
multiplication, division, and addition. Convert the division to multiplication first and complete the multiplication operations.
The fraction can
be reduced to .
The fraction can be reduce to .
can now be written as
The problem can now be written as . Convert the whole numbers to fractions, build to a common denominator, add, and reduce.
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