Add and Subtract Fractions

Front

What is a fraction?

Back

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

Front

What does the numerator in a fraction represent?

Back

The numerator represents the number of parts we have.

Front

What does the denominator in a fraction represent?

Back

The denominator represents the total number of equal parts in a whole.

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the denominator the same.

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the denominator the same.

Front

What do you need to add or subtract fractions with different denominators?

Back

You need to find a common denominator.

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of the fractions you are adding or subtracting.

Front

How do you find a common denominator for 1/3 and 1/4?

Back

The common denominator is 12, as it is the least common multiple of 3 and 4.

Front

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

Back

Since the denominators are the same, you can directly add the numerators.

Front

What is 1/2 in terms of sixths?

Back

1/2 is equivalent to 3/6.