Adding and Subtracting 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 the total number of equal parts in a whole.

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator is the smallest number that can be used as a common denominator for two or more fractions.

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 1/8 and 5/8?

Back

1/8 + 5/8 = 6/8 or 3/4.

Front

What is the sum of 3/4 and 1/4?

Back

3/4 + 1/4 = 4/4 or 1.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

What is the difference between two fractions?

Back

The difference is found by subtracting the second fraction from the first.

Front

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

Back

1/4 - 1/4 = 0.