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 the term 'Least Common Denominator' (LCD) mean?

Back

The Least Common Denominator (LCD) is the smallest multiple that two or more denominators share, used to add or subtract fractions.

Front

How do you find the LCD of two fractions?

Back

To find the LCD, list the multiples of each denominator and identify the smallest multiple that appears in both lists.

Front

What is the process for adding fractions with different denominators?

Back

To add fractions with different denominators, first find the LCD, convert each fraction to an equivalent fraction with the LCD, and then add the numerators.

Front

What is the process for subtracting fractions with different denominators?

Back

To subtract fractions with different denominators, find the LCD, convert each fraction to an equivalent fraction with the LCD, and then subtract the numerators.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, achieved by multiplying or dividing both the numerator and denominator by the same number.

Front

How do you simplify a fraction?

Back

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

Front

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

Back

The sum of 3/4 and 1/4 is 1 or 4/4.

Front

How do you convert an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator to find the whole number, and use the remainder as the new numerator.

Front

What is the difference between a proper fraction and an improper fraction?

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.