Operations on Mixed Number

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Presentation transcript:

Operations on Mixed Number Section 4.7 Operations on Mixed Number

Multiplying Mixed Numbers Steps Change mixed number into an improper fraction. Multiply numerators together. Multiply denominators together. Simplify.

Example Find the exact answer.

Example Find the exact answer.

Dividing Mixed Numbers Steps Change mixed number into an improper fraction. Convert division problem into a multiplication problem. Multiply numerators together. Multiply denominators together. Simplify.

Example Find the exact answer.

Example Find the exact answer.

Adding Mixed Numbers Steps Change mixed number into an improper fraction. Find the least common denominator. Alter numerators through equivalent fractions. Add numerators. Keep one denominator. Simplify.

Example Find the exact answer.

Example Find the exact answer.

Subtracting Mixed Numbers Steps Change the mixed number to an improper fraction. Find the least common denominator. Alter numerators through equivalent fractions. Subtracts numerators. Keep one denominator. Simplify.

Example Find the exact answer.

Example Find the exact answer.

Word Problem A local restaurant is selling hamburgers from a booth on Memorial Day. A total of pounds of hamburger have been ordered. How many quarter pound hamburgers can this make? Set up equation, solve and create statement.

Word Problem Find the perimeter and area of the rectangle is the length is 5½ in and the width is 2⅔ inches.

Estimating A method used to see if your exact answer is on track to being correct. Round each mixed number to a whole number and work the operation.

Compare Compare exact answer and approximate answer.