4.3A 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?

Back

To add two unit fractions, find a common denominator, then add the numerators. For example, 1/3 + 1/4 = 4/12 + 3/12 = 7/12.

Front

What is the relationship between unit fractions and whole numbers?

Back

Unit fractions represent parts of a whole. When you add unit fractions together, you can form whole numbers or other fractions.

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 sum of two unit fractions with the same denominator?

Back

The sum of two unit fractions with the same denominator is simply the sum of the numerators over the same denominator. For example, 1/4 + 1/4 = 2/4 = 1/2.

Front

How do you compare two unit fractions?

Back

To compare two unit fractions, you can find a common denominator or convert them to decimals. The fraction with the smaller denominator is larger.

Front

What is the product of two unit fractions?

Back

The product of two unit fractions is found by multiplying the numerators and the denominators. For example, (1/3) * (1/4) = 1/12.

Front

How can unit fractions be used in real-life applications?

Back

Unit fractions can be used in real-life applications such as dividing food, measuring ingredients in cooking, or sharing items equally.

Front

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

Back

A unit fraction is a specific type of proper fraction where the numerator is 1. A proper fraction has a numerator less than the denominator.

Front

How do you convert a unit fraction to a decimal?

Back

To convert a unit fraction to a decimal, divide 1 by the denominator. For example, 1/4 = 0.25.