Q: What are the rules for multiplying fractions?

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definition of multiplying fractions?

Fractions and decimals are usually rational numbers. Besides, multiplying rational and irrational numbers is also similar.

step by step

In order to multiply fractions with variables, factor all numerators and denominators completely. Use the rules for multiplying and dividing fractions, cancel any common factors, and leave your final answer in factored form.

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

It is similar because when you divide fractions you are technically multiplying the second number's reciprocal. (Turning the fraction the other way around)

No.

ny multiplying

No.

yes

No.

65

No.

no

No.

Multiplying by a reciprocal

no you do not

There are many sites available that offer worksheets for practice in multiplying fractions. Here is the address of one of them: www.math-aids.com/Fractions/Multiplying_Fractions.htm.

No you do not.

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.

Adding and subtracting fractions can ONLY be done if the denominators are the same; then the calculation is done by adding or subtracting the numerators. Multiplying (and dividing) fractions does not require the denominators to be the same. To divide by a fraction the divisor is inverted (the original numerator becomes the new denominator and the original denominator becomes the new numerator) and then the fractions are multiplied. Multiplying fractions is achieved by multiplying the numerators together AND multiplying the denominators together. A whole number is the same as a fraction with the whole number as the numerator and a denominator of 1, so when multiplying by a whole number the denominator is multiplied by 1 (leaving it the same) and the is multiplication is effectively just multiplying the numerator by the whole number.

Multiplying fractions is the easiest operation you can do with them. Nothing complicated is required, just multiply the top two and the bottom two. Simple as that!

it works when comparing fractions by multiplying the fractions to see whitch one is greater not greater and equal

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