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definition of multiplying fractions?

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∙ 15y ago

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How is multiplying rational numbers like multiplying fractions and multiplying decimals?

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


When multiplying fractions do you times the denominators if they are the same?

no you do not


Do you need to change the denominator when multiplying fractions?

No.


Do they have multiplying fraction worksheets?

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.


How is multiplying fractions by a whole number is different from adding adding and subtracting fractions with like denominators?

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.

Related Questions

what is the meaning of multiplying fractions and where the rules comes from?

Multiplying fractions is all about division


When your multiplying fractions do you always have to flip the numbers over?

No, you do not always have to flip the numbers when multiplying fractions. When multiplying two fractions, you simply multiply the numerators together and the denominators together. Flipping the numbers, or taking the reciprocal, is only necessary when dividing fractions, not when multiplying them.


How is multiplying rational numbers like multiplying fractions and multiplying decimals?

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


What are the rules for multiplying fractions?

When multiplying 2 fractions, we multiply the two numerators together and the two denominators together.


How you use the algorithm when multiplying fractions by fractions?

step by step


How is multiplying mixed numbers different than multiplying fractions?

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


How is dividing fractions similar to multiplying fractions?

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


How do you model fractions?

ny multiplying


Cn you help me with multiplying fractions?

No.


What statement about multiplying fractions and mixed numbers is not true?

A common misconception is that multiplying fractions always results in a smaller number. While it is true that multiplying two proper fractions (less than one) results in a smaller fraction, multiplying a fraction by a mixed number can yield a larger product if the mixed number is greater than one. Therefore, the statement "Multiplying fractions always results in a smaller number" is not true.


Do you need the same denominator for multiplying fractions?

No, you do not need the same denominator to multiply fractions. When multiplying fractions, you simply multiply the numerators together and the denominators together. This means that the denominators do not need to be the same, unlike when adding or subtracting fractions.


Do you need to have a reciprocal when multiplying fractions?

yes