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Why do you change mixed numbers to improper fractions before multiplying and dividing?
Wiki User
∙ 13y ago
Because common denominators allow adding and subtracting of numerators. Improper fractions also have simplified rules over mixed numbers when performing multiplication and division.
Michael Zepeda
Wiki User
∙ 13y agoSimplicity of calculation
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How is multiplying mixed numbers different than multiplying fractions?
if you have mixed numbers you make them into improper fractions before you multiply
When multiplying two mixed numbers what do you do first?
First you change them into improper fractions. Then you multiply the numerator and the denamanator straight across. ;)
When dividing fractions or mixed numbers?
what is dividing fractions and mixed numebers
How do you do dividing fractions and mixed numbers?
You change the mixed number into an inproper fraction.
How do add mixed improper fraction?
Mixed numbers can be converted to improper fractions. Improper fractions can be added the same way proper fractions are.
How is multiplying mixed numbers different than multiplying fractions?
if you have mixed numbers you make them into improper fractions before you multiply
Is there a trick to multiplying mixed numbers?
you have to turn them into improper fractions before you multiply them.
When multiplying two mixed numbers what do you do first?
First you change them into improper fractions. Then you multiply the numerator and the denamanator straight across. ;)
How is dividing mixed numbers the same as dividing fractions?
A mixed number can be converted into an improper fraction. Mixed numbers as improper fractions can be divided just like any other fraction. To convert a mixed number to an improper fraction multiply the whole number by the denominator and add the original numerator to give the new numerator and put this over the original denominator.
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 dividing fractions or mixed numbers?
what is dividing fractions and mixed numebers
How do you do dividing fractions and mixed numbers?
You change the mixed number into an inproper fraction.
Why do you think it is helpful to convert mixed numbers into fractions before multiplying or dividing?
So that you can get your answer more faster and you don't need to do a lot of work
How is multiplying and dividing rational numbers similar to multiplying and dividing integers?
did you get this off of big ideas learning
How do add mixed improper fraction?
Mixed numbers can be converted to improper fractions. Improper fractions can be added the same way proper fractions are.
How is multiplying and dividing rational numbers similar?
Dividing by a non-zero rational number is the same as multiplying by its reciprocal.
How do you turn a mixed number into a proper fraction?
Mixed numbers cannot be turned into proper fractions, but they can be made into improper fractions by multiplying the integer (# on the side) by the denominator (bottom), and then adding that number to the numerator (top).
