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Multiplying by your LCM to divide two rational expressions
Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one ...
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Dividing two rational expressions by multiplying by the LCM
Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one ...
The method to divide fractions is to keep the first fraction the same, turn the divide sign into a multiply and turn the second fraction upside down. This is known as multiplying by the reciprocal.
In multiplying fractions, you simply multiply straight across the numerator and straight across the denominator. If you have "a" divided by "b" times "c" divided by "d," that just equals "a" times "c" ...
Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...
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