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

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โˆ™ 2011-05-26 22:56:39
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Q: How do you add and subtract mixed numbers with unlike denominators?
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What are unlike mixed numbers?

the fractions have different denominators


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.


How do you add and subtract mixed number?

SUBTRACTION: You first turn both mixed numbers into improper fractions. If needed, change the denominators into like denominators. Next, subtract the two improper fractions and reduce if necessary. ADDITION: If needed, turn denominators so they are the same number. Next, add and reduce if necessary.


Adding mixed numbers with unlike denominators?

First convert the mixed numbers into "top heavy (or "improper) fractions". Now multiply each of the improper fractions by each other - this makes the denominators the same. Now you can add both the fractions together (and cancel down if necessary).


How do you subtract mixed number to mixed number?

Convert them to improper fractions with common denominators and proceed normally.


Do you have to regroup mixed numbers that have like denominators when subtracting them?

No


How would you add two mixed numbers that contain unlike fractions?

you would convert the mixed numbers into fractions where the top number is greater than the bottom number, then multiply both the numerator and the denominator by a number that makes the denominators the same.


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.


How do you subtract fractions with mixed numbers?

change the mixed # into a fraction


How do you compare mixed numbers?

First you have to compare the whole numbers. When the whole numbers are the same, compare the fractions. If the denominators of the fraction are the same, compare the numerators. If the denominators are different, convert them to have the least common denominators. Then compare the numerators.


How do you subtract fractions and mixed numbers?

subtract a mixed fractor for a fifth grader


How do you add and subtract fractions in math?

You need common denominators. Then add or subtract the numerators. If the answer is an improper fraction it is common practice to reduce it to a mixed number.


What are fractions or mixed numbers whose denominators are multiples of 10?

Decimals.


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 do you subtract mixed fractions with uncommon denominators?

You must first convert the fractions to equivalent improper fractions with a common denominator.


How do you add mixed numbers that do not have the same denominator?

You re-scale them so that the denominators are the same.


Do you Add both the numerators and the denominators when adding fractions and mixed numbers?

False [ I THINK ]


How to multiply mixed numbers?

First change the mixed numbers into improper fractions by multiplying the denominator and the whole number and add the product to the numerator in the mixed numbers and then multiply the numerators and the denominators and divide the numerator by the denominator of the product.


When asked to find the sum of two mixed numbers with different denominators you should before you add.?

convert both to numbers with lowest common denominator then add


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=

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