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 does it mean to subtract fractions?

Back

Subtracting fractions involves taking one fraction away from another. If the denominators are the same, subtract the numerators. If they are different, find a common denominator first.

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 LCD of 1/3 and 1/2?

Back

The LCD of 1/3 and 1/2 is 6.

Front

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

Back

The sum of 1/4 and 1/4 is 2/4, which simplifies to 1/2.

Front

What is the difference between 3/4 and 1/4?

Back

The difference between 3/4 and 1/4 is 2/4, which simplifies to 1/2.

Front

How do you add 2/5 and 1/10?

Back

To add 2/5 and 1/10, find the LCD (10), convert 2/5 to 4/10, then add: 4/10 + 1/10 = 5/10, which simplifies to 1/2.

Front

What is the sum of 1/3 and 1/6?

Back

The sum of 1/3 and 1/6 is 1/2.

Front

How do you subtract 5/6 from 1?

Back

To subtract 5/6 from 1, convert 1 to 6/6, then subtract: 6/6 - 5/6 = 1/6.