Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to have 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

Can you add fractions with different denominators?

Back

No, you cannot add fractions with different denominators without first finding a common denominator.

Front

What is the first step in adding fractions?

Back

The first step is to find a common denominator for the fractions.

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator is the smallest multiple that two or more denominators share.

Front

How do you find the Least Common Denominator of 1/5 and 2/10?

Back

The LCD of 1/5 and 2/10 is 10.

Front

What is the sum of 1/4 and 1/4?

Back

The sum of 1/4 and 1/4 is 2/4, which simplifies to 1/2.

Front

What is the sum of 1/3 and 1/6?

Back

The sum of 1/3 and 1/6 is 1/2.

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have a common denominator, then subtract the numerators.

Front

What is 3/4 - 1/4?

Back

3/4 - 1/4 equals 2/4, which simplifies to 1/2.