Multiply Divide Rational Numbers Order of Operations

When DIVIDING FRACTIONS ...

• Add the fractions.

• Get a common denominator.

• Keep the 1st fraction, Change to multiplication, and Flip the 2nd fraction to its reciprocal.

• Subtract the fractions.

When MULTIPLYING FRACTIONS...

• You MUST get a common denominator.

• Multiply across the top, multiply across the bottom.

• Add the fractions.

• Subtract the fractions.

When MULTIPLYING AND DIVIDING a (Negative)(Negative) =

• a POSITIVE answer.

• a NEGATIVE answer.

• a square root.

• a mess.

What is the correct order for the Order of Operations?

• Parentheses or Grouping Symbols

• Exponents

• Multiplication or Division

• Addition or Subtraction

Answer explanation

Choose the correct answer in simplest form.

• -²/₆

• -¹/₃

• ²/₃

• ¹/₃

• F

• G

• H

• J

Find the product of the two numbers.

• -43.68

• -4.368

• 40.5

• 43.68

Find the product of the numbers.

• 12/12

• 1

• -1

• -9

PEMDAS only works if....

• You multiply then divide

• You divide then multiply

• multiply or divide right to left

• multiply or divide left to right

the answer when you multiply

• quotient

• product

• sum

• difference