Adding 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 is the top number of a fraction and represents how many parts we have.

Front

What does the denominator in a fraction represent?

Back

The denominator is the bottom number of a fraction and represents how many equal parts the whole is divided into.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numbers are different.

Front

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

Back

To find the LCD, list the multiples of the denominators and find the smallest multiple that they both share.

Front

What is the least common denominator for 1/3 and 3/4?

Back

The least common denominator for 1/3 and 3/4 is 12.

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find the least common denominator, convert the fractions, and then add the numerators.

Front

What is 1/3 + 1/9?

Back

1/3 + 1/9 = 4/9.

Front

What is 2/3 + 7/12?

Back

2/3 + 7/12 = 15/12.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.