Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to add fractions?

Back

Adding fractions means combining parts of a whole. To add fractions, they must have the same denominator.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between parts of a whole. Like addition, the fractions must have the same denominator.

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you find the least common denominator (LCD)?

Back

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

Front

What is the process to add fractions with different denominators?

Back

1. Find the least common denominator. 2. Convert each fraction to an equivalent fraction with the LCD. 3. Add the numerators and keep the common denominator.

Front

What is the process to subtract fractions with different denominators?

Back

1. Find the least common denominator. 2. Convert each fraction to an equivalent fraction with the LCD. 3. Subtract the numerators and keep the common denominator.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.

Front

How do you simplify a fraction?

Back

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

Front

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

Back

1/4 + 1/4 = 2/4, which simplifies to 1/2.