Dividing Simple Fractions: Problem 1
Rule 14: To divide one fraction by a second fraction, convert
the problem to multiplication and multiply the two fractions.
- Change the sign to and invert the fraction to the right of the sign.
- Multiply the numerators.
- Multiply the denominators.
- Reduce the results. (See Rule 10)
- Factor the product of the numerators.
- Factor the product of the denominators.
- Look for the fractions that have a value of 1.
Problem 1: Calculate and reduce your answer.
Answer: The answer is .
Solution: Change the division sign to
multiplication and invert the fraction to the right of the sign.
Multiply the numerators, multiply the denominators, and
leave the product in factored form.
Factor the numerator and the denominator and look for the
fractions that have a value of 1.
Check: Check you answer with your calculator.
Calculate 16 divided by 80, 7 divided by 20, and divide the first
answer by the second answer. Calculate 4 divided by 7. If the answers
are the same, you have worked the problem correctly.
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