Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a ratio of two integers, with a numerator (top number) and a denominator (bottom number).

Front

What does it mean to add fractions?

Back

Adding fractions involves combining two or more fractions to find a total. To add fractions with different denominators, you must first find a common denominator.

Front

What is the process for subtracting fractions?

Back

To subtract fractions, you need a common denominator. Once the fractions have the same denominator, subtract the numerators and keep the denominator the same.

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator is the smallest multiple that two or more denominators share. It is used to add or subtract fractions with different denominators.

Front

How do you find the Least Common Denominator of 1/5 and 2/10?

Back

The denominators are 5 and 10. The Least Common Denominator is 10, as it is the smallest multiple that both denominators share.

Front

What is the difference between proper and improper fractions?

Back

A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator that is equal to or larger than its denominator.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).

Front

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

Back

1/8 + 5/8 = 6/8, which simplifies to 3/4.

Front

What is the result of 13/15 - 3/4?

Back

To subtract these fractions, find a common denominator (60). The result is 7/60.

Front

How do you determine how much farther one fraction is than another?

Back

To find how much farther one fraction is than another, subtract the smaller fraction from the larger fraction.