4.3A/4.3B/4.3E STAAR 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). For example, 1/2 means one part out of two equal parts.

Front

What does it mean to add fractions?

Back

Adding fractions means combining two or more fractions to find a total. To add fractions, they must have the same denominator (bottom number). If they don't, you need to find a common denominator first.

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions. It allows you to add or subtract fractions easily.

Front

How do you find a common denominator for 1/4 and 1/2?

Back

The common denominator for 1/4 and 1/2 is 4. You can convert 1/2 to 2/4 to add them.

Front

What is the first step in adding fractions with different denominators?

Back

The first step is to find a common denominator for the fractions.

Front

What is the process to add 1/3 and 1/6?

Back

1. Find a common denominator (which is 6). 2. Convert 1/3 to 2/6. 3. Add: 2/6 + 1/6 = 3/6. 4. Simplify to 1/2.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means taking one fraction away from another. Like addition, the fractions must have the same denominator.

Front

How do you subtract 3/4 from 1?

Back

1. Convert 1 to 4/4. 2. Subtract: 4/4 - 3/4 = 1/4.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, like 1 1/2.