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they must have a common denominator

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โˆ™ 2010-10-27 21:41:56
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Q: What properties allow you to add and subtract mixed numbers?
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Related questions

How do you subtract fractions with mixed numbers?

change the mixed # into a fraction


How do you subtract fractions and mixed numbers?

subtract a mixed fractor for a fifth grader


How do you subtract mixed numbers and improper fractions.?

First you would want to change the mixed number to an improper fraction. Then you can subtract


What do adding and subtracting mixed numbers means?

To combine the fractions or subtract the fractions. Same method with mixed numbers.


How can you add and subtract mixed numbers?

Make it into an both numbers an improper fraction and then do the opperation.


What is the difiinition of subtracting fraction and mixed numbers?

when people subtract and when there done turn it in to a mixed number.


How do you subtract mixed numbers with regrouping?

you take away one of the whole number=then you add or subtract your fractions=


How do you subtract mixed number from mixed numbers with dissimilar fraction?

Make them into improper fractions, find the least common denominator, convert them, subtract, reduce if possible.


How do you subtract whole numbers from mixed fractions?

2-3/5


When can you add or subtract mixed numbers?

You can always do that.


What is a subtracting mixed number?

Subtracting a mixed number is just subtracting fractions but with a whole number by a fraction. To subtract tun the mixed numbers into improper fractions and find the common denominator. Then you subtract the numerators.


Mixed numbers combine fractions and percents?

True


How do you add and subtract mixed numbers with unlike denominators?

just change the fration with the smallest denominator and add or subtract the way you always do.


How do you subtract mixed numbers and borrow from the whole number?

you subtract mixed numbers by changing them to improper fractions. to borrow from a whole number you take away one like 5 changes to 4 and then you change look to the other mixed number your subtracting by and write its denominator as 4s denominator.


How do you add and subtract mixed numbers?

When subtracting mixed numbers one of the fractions may need to be renamed.


How do you subtract fractions with mixed numbers and like denominators?

Convert them to improper fractions and proceed.


How to add and subtract mixed numbers?

Convert them to improper fractions with common denominators and proceed.


How do you subtract mixed numbers and improper fraction?

By changing the mixed number into an improper fraction and ensuring that they both have the same denominators simply then subtract one improper fraction from the other improper fraction.


What properties of metals allow them to be recycled?

they can be melted, mixed with other metals(alloys)


How do you subtract a mixed number by a mixed number?

To subtract a mixed number by a mixed number you first need to turn the fractions into improper fractions then you just subtract them as you would with the normal fractions


How do you subtract fractions without mixed numbers?

First, turn the fraction into a improper fraction. Then find a common denominator between the two numbers. After this, subtract strait across, but leave the denominator the same.


How do your borrow from a whole number when subtracting fractions?

A mixed number has a whole number and a fraction. A fraction is a number that is less than whole and that has a denominator underneath a numerator. To add or subtract mixed numbers, add or subtract the fractions, then add or subtract the whole numbers. If the fraction portion of a mixed number, such as 2 5/6, is more than the fraction portion of the mixed number you're trying to subtract from, such as 3 1/6, you must borrow from the whole number of the mixed number you're trying to subtract from to make its fraction bigger... Please comment on my answers I do not have a Facebook account...


What other step might be necessary before you can subtract mixed numbers?

Find a common denominator.


How can you subtract mixed numbers when the fraction in the first mix number is less than the fraction in the second mixed number?

Yes, you can but you need to "rename" the whole part of the first mixed number.


How do you subtract mixed numbers with like denominators?

You can either subtract the whole number portions, then subtract the numerators, or you can convert the mixed numbers to improper fractions, subtract the numerators, and simplify. For example, 3 5/7 - 2 1/7 can be handled as 3 - 2 and 5/7 - 1/7, or as 26/7 - 15/7; either way, it's 1 4/7.