Adding and Subtracting Fractions with Unlike Denominators

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 denominator in a fraction represent?

Back

The denominator indicates how many equal parts the whole is divided into.

Front

What does the numerator in a fraction represent?

Back

The numerator shows how many parts of the whole are being considered.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest multiple that two or more numbers share.

Front

How do you find the least common denominator for 1/3 and 1/4?

Back

The least common denominator is 12, as it is the smallest multiple of both 3 and 4.

Front

What is the first step in adding fractions with unlike denominators?

Back

Find the least common denominator (LCD) for the fractions.

Front

What do you do after finding the least common denominator?

Back

You convert each fraction to an equivalent fraction with the least common denominator.

Front

What is the process of simplifying a fraction?

Back

Simplifying a fraction involves dividing the numerator and denominator by their greatest common factor.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor is the largest number that divides both the numerator and denominator without leaving a remainder.