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

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โˆ™ 2010-12-19 23:12:23
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Q: Do you change the denomanator if you multiply?
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Multiply rational fractions and mixed numbers?

EX: 3 3/4 x 4 4/10 first, you multiply 4x3, then you get 12 + 3=15/4 second, you multiply 10x4=40+4=44/10 then you multiply the denomanator by the denomanator and the numerator by the numerator. 15x44= 10x4= Then simplify your answer.


When you subtract fractions do they have to have the same denomanator?

Yes


How do you change the numerator 5 and the denomanator 5 to a whole number?

divide it by it's self. it equals one whole. just divide like how many times does 5 go into 5????? well this is what you do 5/5 is 1 see its easy or add then multiply them together


What is the lowest common denomanator of 9 and 3?

9


What is the lowest common denomanator of 8and 4?

8 is.


Do you have to find a common denomanator when adding factions?

yes


What do you call a fraction with the same denomanator?

They are like fractions.


What is the common denomanator of 16 4 2?

16


What is a fraction with a denomanator of 1 called?

A whole number.


How do you divide the improper fraction to mixed fraction?

you divide the numarator to the denomanator


Do you multiply or divide to change T to oz?

multiply


Do you need to multiply or divid to change from yards to feet?

to change from yards to feet you multiply by 3


How do you know when two fractions are equivalent?

You have to get a common denomanator to then work out if the numerator is also the same.


Do you multiply or divide to change pints to cups?

You multiply by two to change pints to cups. You divide by two to change cups into pints.


Do you need to multiply or divide to change from inches to centimeters?

Multiply.


Do you multiply or divide to change miles to inches?

You multiply by 63360.


What is the denomanator?

The portion of the fraction below the divide line For example, in 1/2 two is the denoninator.


What is the least common denomanator of 85?

You need at least two numbers to find something in common.


Would you divide or multiply to change yards into feet?

multiply.... by 3


What do you multiply by when you change a percent to a decimal?

You multiply by 0.01 = 1/100.


Do you divide or multiply to change kilograms to grams?

To change kilograms to grams, multiply by 1000. 1 kilogram = 1000 grams


Weeks to days multiply or divide?

To change weeks to days multiply by 7


Feet to inches multiply or divide?

To change feet to inches multiply by 12


To change 8.4 kg to g, should you multiply or divide?

A+LS Multiply


When doing percentage do i multiply are divide?

To change a number into a percentage multiply it by 100.