Fractions

Front

What is a fraction?

Back

A fraction is a way to show a part of a whole. It has two numbers: the top number (numerator) shows how many parts we have, and the bottom number (denominator) shows how many equal parts the whole is divided into.

Front

What is the numerator in a fraction?

Back

The numerator is the top number in a fraction. It tells how many parts we have.

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction. It tells how many equal parts the whole is divided into.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

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 an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same part of a whole as another fraction. For example, 1/2 is equivalent to 2/4.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its smallest form, where the numerator and denominator have no common factors other than 1.

Front

What is a unit fraction?

Back

A unit fraction is a fraction that has 1 as the numerator. For example, 1/3 and 1/5 are unit fractions.

Front

How can you represent 3/4 as a sum of unit fractions?

Back

3/4 can be represented as 1/4 + 1/4 + 1/4.

Front

What is the sum of 1/2 + 1/2?

Back

The sum of 1/2 + 1/2 is 2/2, which is equal to 1.