7.3 Adding Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (the number of parts) and 'b' is the denominator (the total number of equal parts).

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 1/8.

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, 2/8 + 3/8 = (2+3)/8 = 5/8.

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 sum of 4/8 and 1/8?

Back

4/8 + 1/8 = 5/8.

Front

If Mary Jane has 3/8 of a pizza and Hector has 2/8, how much pizza do they have together?

Back

3/8 + 2/8 = 5/8 pizza.

Front

What is the equivalent of 6/8 in unit fractions?

Back

6/8 can be expressed as 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8.

Front

What is the sum of 4/10 and 5/10?

Back

4/10 + 5/10 = 9/10 mile.

Front

What does the numerator in a fraction represent?

Back

The numerator represents the number of parts we have.

Front

What does the denominator in a fraction represent?

Back

The denominator represents the total number of equal parts in the whole.