Add and Subtract Fractions

Front

What is a fraction?

Back

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then add the numerators.

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that two or more denominators share. It is used to add or subtract fractions.

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have the same denominator. If they don't, find the least common denominator, convert the fractions, and then subtract the numerators.

Front

What is an improper fraction?

Back

Front

What is a mixed number?

Back

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder becomes the new numerator.

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Back

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Front

What is the first step in solving a word problem involving fractions?

Back

The first step is to read the problem carefully and identify the fractions involved, as well as what is being asked.