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).

Front

What does it mean to add fractions?

Back

Adding fractions involves combining the parts represented by the fractions. If the denominators are the same, add the numerators. If they are different, find a common denominator first.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you find a common denominator for 1/2 and 1/3?

Back

The least common multiple (LCM) of 2 and 3 is 6. So, the common denominator is 6.

Front

Convert 1/2 to a fraction with a denominator of 6.

Back

1/2 = 3/6.

Front

Convert 1/3 to a fraction with a denominator of 6.

Back

1/3 = 2/6.

Front

What is the first step in adding 3/4 and 1/6?

Back

Find a common denominator.

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