Q: Why do you simplify before multiplying fractions?

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65

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That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.

if you have mixed numbers you make them into improper fractions before you multiply

First line them up. Its jsut like normal multiplication. Mulitply them across as they are. Simplify the answer when done.

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65

This has the effect of producing a denominator in the answer that has each of the original denominators as factors. You don't have to worry about simplifying the fractions before multiplying. Of course, you may have to simplify after multiplying. There's no way out.

no

That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.That is correct. It is easier to simplify the fraction before multiplying all the factors in the numerator and the denominator.

if you have mixed numbers you make them into improper fractions before you multiply

Cross canceling is a way to simplify or reduce fractions before multiplying them. For example, 2/4 x 1/6 can be reduced to 1/4 x 1/3 by cross canceling.

First line them up. Its jsut like normal multiplication. Mulitply them across as they are. Simplify the answer when done.

definition of multiplying fractions?

Yes, then do the same for the denominators. But THEN you are usually expected to simplify the resulting fraction.

1. Multiply the numerators together. 2. Multiply the denominators together. 3. Simplify, if possible.

you have to turn them into improper fractions before you multiply them.

Multiplying fractions is all about division