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Fraction Multiplication

Fraction Multiplication. And Cancelation. Fraction Multiplication. Here are some fraction multiplication problems Can you tell how to multiply fraction from these examples?. Multiplication. Multiply numerator by numerator And denominator by denominator. Try some. Multiply the following:.

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Fraction Multiplication

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  1. Fraction Multiplication And Cancelation

  2. Fraction Multiplication • Here are some fraction multiplication problems • Can you tell how to multiply fraction from these examples?

  3. Multiplication • Multiply numerator by numerator • And denominator by denominator

  4. Try some. • Multiply the following:

  5. Answers • Multiply the following:

  6. Mixed Numbers • Because of the order of operations, • Mixed numbers cannot be multiplied as is • Change mixed numbers to improper fractions, then multiply.

  7. Try some • Change any whole or mixed numbers to improper. • Multiply straight across. • Simplify answers

  8. Answers • Change any whole or mixed numbers to improper. • Multiply straight across. • Simplify answers

  9. Cancelling Reduce before you multiply

  10. Canceling • Reducing before mutiplying is called canceling. • ICK! Instead think the following in your head.

  11. Canceling on paper • Rules: One factor from any numerator cancels with like factor from the denominator.

  12. Try one • Say “--- goes into ____ this many times.” • As you cross each number out and write what is left after canceling above the number.

  13. Answer • Say “--- goes into ____ this many times.” • As you cross each number out and write what is left after canceling above the number.

  14. Try one more • Make whole and mixed numbers improper • Cancel if you can • Multiply Numerators and denominators straight across. • Simplify

  15. Answer • Make whole and mixed numbers improper • Cancel if you can • Multiply Numerators and denominators straight across. • Simplify

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