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 involves combining the parts represented by the fractions. If the denominators are the same, add the numerators. 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 1/6?

Back

The least common multiple (LCM) of 4 and 6 is 12, so the common denominator is 12.

Front

What is the first step in adding 2/3 and 1/4?

Back

Find a common denominator before adding the fractions.

Front

What is the sum of 1/2 and 1/3?

Back

The sum is 5/6 after finding a common denominator of 6.

Front

What is the difference when subtracting fractions?

Back

Subtracting fractions involves taking away the parts represented by the fractions. Ensure the denominators are the same or find a common denominator.

Front

What is the result of 3/5 - 1/5?

Back

The result is 2/5.

Front

Can you add fractions with different denominators directly?

Back

No, you must find a common denominator first.

Front

What is an improper fraction?

Back

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