Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number). For example, in the fraction 1/2, 1 is the numerator and 2 is the denominator.

Front

What does it mean to add fractions?

Back

Adding fractions involves combining two or more fractions to find a total. To add fractions with different denominators, you must first find a common denominator.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions. It allows you to add or subtract fractions easily.

Front

How do you find the least common denominator (LCD) of two fractions?

Back

To find the least common denominator, list the multiples of each denominator and find the smallest multiple that appears in both lists.

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Back

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Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have a common denominator. Then, subtract the numerators and keep the denominator the same.

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Back

@@rac{3}{4} - rac{1}{2} = rac{3}{4} - rac{2}{4} = rac{1}{4}$$.

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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, divide the numerator by the denominator. The quotient is the whole number, and the remainder becomes the numerator of the fraction.