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Convert them to improper fractions, find a common denominator and proceed.

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โˆ™ 2013-06-22 22:02:44
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Q: How do you add multiple mixed numbers?
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Do you need to get the LCM of mixed numbers?

Only to add, subtract, or compare two fractions. Note: Technically, to add two fractions (for example) you don't need the LEAST common multiple; any common multiple will do. As an example, if you want to add 1/4 + 1/6 (or any mixed number that ends with this fraction), you can use 24 as a common denominator (you can obtain this by multiplying 4 x 6), even though the least common multiple is 12.To add two mixed fractions, the easiest way is usually to add the whole part and the fractional part separately.


How do you add mixed numbers with whole numbers?

To add mixed numbers and whole numbers, you simply treat the mixed numbers like they are whole numbers (4 3/4) turns to (4), then add the regular whole number, say, 7, and then re-add the fraction. For example, if you were adding 4 3/4 and 7, you would change 4 3/4 to 4, add 7 to get 11, then add the 3/4 back in, to give you 11 3/4.


How do you find the sum of two mixed numbers?

To find the sum of two mixed numbers, turn the mixed numbers into improper fractions (multiply the base with the denominator and add the numerator), then add the two fractions. To add the two fractions, find the LCD (lowest common denominator) and add the two numerators, but leave the denominators the same.


How is adding mixed numbers different from adding fractions?

when you add mixed numbers you have a whole number but adding fraction does not.


How do you add mixed numbers together?

just find a common denominator and add the two numerators together then add the whole numbers


How would you add two mixed numbers together if they have different denominators that don't go into each other?

Find the least common multiple. For example, if the denominators were 6 and 7, the least common multiple would be 42.


How do you estimate mixed numbers sums?

you have to add


How do you add a mixed fraction by a mixed fraction?

You can either add the fractional parts and, if required, convert the answer to a mixed fraction and then add the integer part to the integer parts of the two original numbers; or change both numbers to top-heavy (or improper) fractions, add them and then convert the answer to a mixed fraction.


When can the sum of two mixed numbers be a whole number?

2 mixed numbers can only be a whole when the 2 numerators add up to the number


How do you add multiple mixed fractions?

Find a common denominator, add the numerators, simplify if possible.


What is the first multiple of 9 that contains all even numbers?

288. All multiples of 9 will have digits that add to a multiple of 9. To get a multiple of 9 to be all even, you need to get them to add to 18, since no set of even numbers will add up to 9. 288 is the lowest multiple of 9 to be able to add to 18. ■


What two numbers multiple to get 1890 but add to get -89?

1801


How can you add and subtract mixed numbers?

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


What 3 consecutive numbers add up to 76?

79


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.


How is renaming to add mixed numbers different from regrouping to add whole numbers?

7 7/12 plus 3 8/9


What two numbers multiple to get -84 and add to get 5?

-79


What two mixed numbers add up to 3?

1.7 + 1.3


When can you add or subtract mixed numbers?

You can always do that.


How do you find the difference using mixed numbers?

first add the whole numbers then do simple fraction subtraction


How do you add and subtract mixed numbers?

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


What is the greatest common multiple of 85 and 51?

There is no greatest common multiple of two numbers. For whatever number you come up with I can always add the lowest common multiple of the numbers to get an even higher common multiple.


How do you convert mixed numbers to tablespoons?

In a saucepan, melt mixed numbers over medium heat. Gradually add milk, bring to a boil. Cook and stir for 2 minutes. You should now be able to extract mixed numbers in tablespoon format.


What two mixed numbers both add up to 30?

27.3 + 2.7


What properties allow you to add and subtract mixed numbers?

they must have a common denominator