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When you add or subtract fractions with unlike denominators why do you have to find LCM?
Because to add fractions, the denominators must be equal.
What are the characteristics of improper fractions?
Improper fractions have numerators that are greater than or equal to their denominators.
How do you add two fractions together?
If the denominators are equal, you just add the numerators. For example, 1/10 + 3/10 = 4/10. If the denominators are different, you must first (1) find a common denominator, and (2) convert both frations to that common denominator.
Is it possible for two fractions greater than 1 that have different numerators and denominator to be renamed as the same mixed number?
Yes, it is possible for two fractions greater than 1 with different numerators and denominators to be renamed as the same mixed number. This can happen when the fractions are equivalent, meaning they represent the same value. To determine if two fractions can be renamed as the same mixed number, you need to simplify them to their simplest form and then compare them to see if they are equal.
How do you find a equivalent fraction?
Equivalent fractions must have equal denominators, and this is done by setting the denominators of both fractions to their smallest common multiple. So, say a person wants to compare two thirds and one half, they would set both denominators to six. Two thirds would become four sixths and one half would become three sixths. Thus, two thirds is bigger than one half.
What are fractions that are equal in value but may have different numerators and denominators?
Equivalent fractions.
What are fractions that are equal in value but have different numerators and denominators?
They are known as equivalent fractions
How do you know when two fractions are equal?
If the denominators (bottom numbers) are not equal, making equivalent fractions of them so that the denominators are equal. With the denominators equal if the numerators (top numbers) are equal, then the fractions are equal.
Fractioins that are equal in value but may have different numerators and denominators?
equal fractions
Can two fractions with the same numerator and different denominators be equal?
Only if the numerator is zero,
When you add or subtract fractions with unlike denominators why do you have to find LCM?
Because to add fractions, the denominators must be equal.
What are the rules for subtracting fractions?
You multiply the fractions until the denominators are equal. Then, you subtract.
What are three fractions with different denominators that are equal toone half?
7/14, 4/8, 3/6
What are the characteristics of improper fractions?
Improper fractions have numerators that are greater than or equal to their denominators.
How do you add two fractions with a different denominator?
You add two fractions with a different denominator by multiplying the denominators by a number that will make them equal. Be sure to multiply the numerator by that number too.
Two or more fractions that are equal is called what?
In actual problems, we convert two (or more) fractions so that they have equal denominators.
What condition must be met before you can add or subtract fractions?
Before you can add or subtract fractions, the denominators must be the same. If the denominators are different, you need to find a common denominator by determining the least common multiple of the existing denominators. Once the denominators are equal, you can add or subtract the numerators while keeping the common denominator.
