Algebra 1 Lesson 9

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Algebra 1 Lesson 9
Multiplication and Division of Fractions
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Multiplying Fractions
To multiply fractions, we multiply
numeratornumerator and denominatordenominator.
Multiply straight across.
When multiplying mixed numbers, you must make
them improper fractions first.
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Ex. Multiply. Make sure to reduce your answers.
Give your answer in the same form given.
We can also cross cancel to simplify.
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Practice. Multiply.
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Dividing Fractions
The reciprocal of a number is the number in
inverted form.
To divide fractions, we multiply the first
fraction by the reciprocal of the second.
COPY DOT - FLIP
Mixed numbers must be changed to improper
fractions.
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Ex. Divide. Make sure to reduce.
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Practice. Divide.
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2
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Solving Equations with Fractions
Ex. Solve.
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2
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Practice. Solve.
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TOOLBOX

Solve.
Assignment Problem Set 9