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If you don't, how would you get a denominator? Also, think of it as, for example, 2/5 OF 5/10. 1/5 of 5/10 is 1/10 so 2/5 of 5/10 is 2/10 or 1/5. That's the concept behind the computation: 2/5 x 5/10=10/50. 10/50 divided by 10 is 1/5.

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Related Questions

What are the rules for multiplying fractions?

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


When multiplying fractions you must multiply the numerators together and multiply the denominators together?

true


When multiplying fractions when they have same common denominator do you multiply the denominators?

YES.


What do you do when you mutpiling fractions with common dennmonters?

Exactly the same as you do when multiplying fractions with different denominators. -- Multiply numerators . . . the product is the numeratore of the answer. -- Multiply denominators . . . the product is the denominator of the answer.


Can you multiply fractions that have a different demonminator?

Yes. When multiplying and dividing fractions your denominators do not have to be the same. The denominators only haveto be the same if you are subtracting or adding them.


Do you change the denomanator if you multiply?

Yes, you multiply the numerators together and the denominators together when multiplying two fractions


When you multiply fractions why do you multiply the fractions strait across?

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.


How is the process used to divide fractions similar to the process used to multiply fractions?

The process of dividing fractions is similar to multiplying fractions in that both involve manipulating the fractions to simplify the operation. When multiplying, you multiply the numerators and the denominators directly. In division, you invert the second fraction (the divisor) and then multiply, which essentially turns the division into multiplication. Both processes emphasize working with numerators and denominators to arrive at a simplified result.


How do you multiply fractions or mixed numbers?

To multiply fractions, simply multiply the numerators (top numbers) together and the denominators (bottom numbers) together. For mixed numbers, first convert them into improper fractions by multiplying the whole number by the denominator and adding the numerator. After converting, follow the same process of multiplying the numerators and denominators, and simplify the resulting fraction if necessary.


How do you multiply a fraction?

Multiply the numerators together. Multiply the denominators together. Reduce, if possible. The answer when multiplying fractions together will always be lower than either.


What is the rule for multiplying fractions with like denamonators?

Multiply all numerators to get numerator of the product. Multiply all denominators to get denominator of the product. This is true whether the factors have like or unlike denominators.


What are 3 steps you follow when multiplying fractions?

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