Adding and Subtracting Fractions with Unlike Denominators Flashcard

Front

What is the least common denominator (LCD) for the fractions 1/3 and 2/5?

Back

The least common denominator for 1/3 and 2/5 is 15.

Front

What are like denominators for the fractions 3/4 and 2/7?

Back

The like denominators for 3/4 and 2/7 are 28.

Front

How do you subtract the fractions 7/8 and 2/9?

Back

7/8 - 2/9 = 53/72.

Front

How do you add the fractions 2/5 and 1/3?

Back

2/5 + 1/3 = 11/15.

Front

What is the least common denominator (LCD) for the fractions 3/7 and 4/9?

Back

The least common denominator for 3/7 and 4/9 is 63.

Front

Define least common denominator (LCD).

Back

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

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator and a denominator.

Front

What is the numerator in a fraction?

Back

The numerator is the top number in a fraction that indicates how many parts are being considered.

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction that indicates the total number of equal parts.

Front

How do you convert fractions to like denominators?

Back

To convert fractions to like denominators, find the least common multiple of the denominators.