Adding & 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. 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 the least common denominator (LCD)?

Back

To find the least common denominator, list the multiples of each denominator and identify the smallest multiple they share.

Front

What is the process for adding fractions with unlike denominators?

Back

1. Find the least common denominator. 2. Convert each fraction to an equivalent fraction with the LCD. 3. Add the numerators and keep the common denominator.

Front

What is the result of 5/12 + 1/3?

Back

3/4

Front

Can you add fractions with different denominators directly?

Back

No, you cannot add fractions with different denominators without first finding a common denominator.

Front

What is the least common denominator for 6/7 and 1/2?

Back

14

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have the same denominator. If they do, subtract the numerators and keep the denominator.

Front

What is the result of 1/3 + 5/6 in simplest form?

Back

1/2