Adding and Subtracting Fractions With Like/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 is the numerator in a fraction?

Back

The numerator is the number above the bar in a fraction, indicating how many parts are being considered.

Front

What is the denominator in a fraction?

Back

The denominator is the number below the bar in a fraction, indicating how many equal parts the whole is divided into.

Front

What does it mean to add fractions with like denominators?

Back

To add fractions with like denominators, you keep the denominator the same and add the numerators.

Front

What does it mean to add fractions with unlike denominators?

Back

To add fractions with unlike denominators, you first find a common denominator, convert the fractions, and then add the numerators.

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator (LCD) is the smallest multiple that two or more denominators share.

Front

How do you subtract fractions with like denominators?

Back

To subtract fractions with like denominators, you keep the denominator the same and subtract the numerators.

Front

How do you subtract fractions with unlike denominators?

Back

To subtract fractions with unlike denominators, find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is the sum of 1/2 and 1/4?

Back

3/4

Front

What is the sum of 3/5 and 2/5?

Back

1 (or 5/5)