Add/Subtract 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 (part) and 'b' is the denominator (whole).

Front

What does it mean to add fractions?

Back

Adding fractions means combining the parts represented by the fractions. You can only add fractions with the same denominator directly.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between the parts represented by the fractions. You can only subtract fractions with the same denominator directly.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you find a common denominator for 1/3 and 1/4?

Back

The least common multiple of 3 and 4 is 12. So, the common denominator is 12.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.

Front

How do you create an equivalent fraction for 1/2?

Back

Multiply both the numerator and denominator by the same number. For example, 1/2 = 4/8.

Front

When do you add fractions?

Back

You add fractions when you want to find the total of two or more parts.

Front

When do you subtract fractions?

Back

You subtract fractions when you want to find out how much more one part is than another.

Front

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

Back

Find a common denominator before adding the fractions.