Add and Subtract 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 the numerator in a fraction represent?

Back

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

Front

What does the denominator in a fraction represent?

Back

The denominator shows the total number of equal parts the whole is divided into.

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, 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 is the smallest multiple that two or more denominators share.

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have the same denominator, then subtract the numerators and keep the denominator the same.

Front

What is an example of adding fractions? 1/4 + 1/2 = ?

Back

1/4 + 1/2 = 3/4 after finding a common denominator.

Front

What is an example of subtracting fractions? 3/4 - 1/4 = ?

Back

3/4 - 1/4 = 2/4, which simplifies to 1/2.

Front

What is the first step in adding 2/5 and 1/10?

Back

Find the least common denominator, which is 10.

Front

How do you convert 2/5 to have a denominator of 10?

Back

Multiply both the numerator and denominator by 2: 2/5 = 4/10.