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What are the rules for fractions?
addition,subtraction,multiplication,division
What Proper fractions that have the same denominator in addition or subtraction are called?
like fractions
Why do you have to find a common denominator?
Addition or subtraction of fractions require "like" fractions: that is, fractions with the same denominator.
How do you use greatest common factor with addition and subtraction of fractions?
You don't. You use the GCF to reduce the answer once the addition or subtraction is complete.
How is subtracting fractions different from adding fractions?
In subtraction you take away rather than add. Also, addition is commutative, subtraction is not so the order of the numbers does matter for subtraction.
Why change mixed numbers to improper fractions?
For addition, subtraction, division and multiplication with other fractions
What is the purpose of finding an LCM?
It assists in the proper addition and subtraction of fractions.
In order to perform this opertation fractions must have the same denominators?
Addition or subtraction
What is the meaning of addition and subtraction of similar fraction?
Similar fractions are fractions with the same denominator. In order to add or subtract fractions they need to be similar.
How do you do modeling addition and subtraction of mixed fractions?
To model addition and subtraction of mixed fractions, first convert each mixed fraction into an improper fraction. Then, find a common denominator to align the fractions. Once they have a common denominator, perform the addition or subtraction of the numerators while keeping the denominator the same. Finally, if needed, convert the resulting improper fraction back into a mixed fraction for the final answer.
What scientific advancement did the Chaldeans make?
Mathematics - including addition, subtraction equations, fractions. Astronomy - movement of stars, planets, moon. Medicine - diagnosis and remedies.
Why do common denominators lead to the correct answer?
In what type of problem exactly? For addition and subtraction of fractions
