Unit Fractions

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/2, 1/3, or 1/4.

Front

How do you add two unit fractions with different denominators?

Back

To add two unit fractions with different denominators, find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then add the numerators.

Front

What is the sum of 1/4 and 1/6?

Back

The sum of 1/4 and 1/6 is 5/12. (Common denominator is 12: 1/4 = 3/12 and 1/6 = 2/12, so 3/12 + 2/12 = 5/12.)

Front

What is the difference between a unit fraction and a proper fraction?

Back

A unit fraction has a numerator of 1, while a proper fraction has a numerator that is less than the denominator but greater than 1.

Front

How do you subtract unit fractions?

Back

To subtract unit fractions, find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then subtract the numerators.

Front

What is the result of 1/3 - 1/6?

Back

The result of 1/3 - 1/6 is 1/6. (Common denominator is 6: 1/3 = 2/6, so 2/6 - 1/6 = 1/6.)

Front

Can a unit fraction be greater than 1?

Back

No, a unit fraction cannot be greater than 1 because the numerator is always 1 and the denominator is a positive integer.

Front

What is the relationship between unit fractions and division?

Back

Unit fractions represent the division of 1 by a positive integer, such as 1/4 represents 1 divided by 4.

Front

How do you multiply a unit fraction by a whole number?

Back

To multiply a unit fraction by a whole number, multiply the numerator by that whole number while keeping the denominator the same.

Front

What is 3 times 1/5?

Back

3 times 1/5 is 3/5.