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 means combining two or more fractions to find a total. If the denominators are the same, add the numerators and keep the denominator. If they are different, find a common denominator first.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions. If the denominators are the same, subtract the numerators and keep the denominator. 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 1/4 and 3/4?

Back

The common denominator for 1/4 and 3/4 is 4, since both fractions already have the same denominator.

Front

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

Back

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

Front

What is the result of 5/8 - 1/8?

Back

5/8 - 1/8 = 4/8, which simplifies to 1/2.

Front

How do you simplify the fraction 4/8?

Back

4/8 can be simplified by dividing both the numerator and denominator by 4, resulting in 1/2.

Front

What is the difference between 6/11 and 3/11?

Back

6/11 - 3/11 = 3/11.

Front

What is the sum of 2/5 and 1/5?

Back

2/5 + 1/5 = 3/5.