Fractions - Cross Multiplying
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Fractions - Cross Multiplying
by Danny Sat May 16, 2015 3:33 pm
When diving fractions, you need to cross multiply to get the answer.
1. Multiply the top and bottom of the first fraction by the bottom number of the second fraction.
2. Multiply the top and bottom of the second fraction by the bottom number the first fraction had.
Now, you always need to reduce fractions. To reduce them divide the top and bottom by the same amount to get the lowest numbers. Even numbers can always be divided by two.
1. Multiply the top and bottom of the first fraction by the bottom number of the second fraction.
2. Multiply the top and bottom of the second fraction by the bottom number the first fraction had.
Now, you always need to reduce fractions. To reduce them divide the top and bottom by the same amount to get the lowest numbers. Even numbers can always be divided by two.
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