Adding Mixed Numbers with Unlike Denominators

Front

What must you do first in order to add or subtract fractions with unlike denominators?

Back

Find a common denominator.

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Back

Front

What is the first step in adding mixed numbers with unlike denominators?

Back

Convert the mixed numbers to improper fractions and find a common denominator.

Front

What is a mixed number?

Back

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

What is the least common denominator (LCD)?

Back

The smallest multiple that two or more denominators share.

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Back

Front

What is the process to add fractions with unlike denominators?

Back

1. Find the least common denominator. 2. Convert each fraction to an equivalent fraction with the LCD. 3. Add the numerators and keep the denominator.

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Back

Front

What does it mean to simplify a fraction?

Back

To reduce a fraction to its lowest terms by dividing the numerator and denominator by their greatest common factor.