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Q: What properties allow you to add and subtract mixed numbers?

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change the mixed # into a fraction

subtract a mixed fractor for a fifth grader

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

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

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

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

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

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

2-3/5

You can always do that.

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.

True

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

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.

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

Convert them to improper fractions and proceed.

Convert them to improper fractions with common denominators and proceed.

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.

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

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

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.

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...

Find a common denominator.

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

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.