Adding and Subtracting Unlike 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 unlike fractions?

Back

Adding unlike fractions means combining fractions that have different denominators. To do this, you must first find a common denominator.

Front

How do you find a common denominator for 1/4 and 3/8?

Back

The least common denominator (LCD) of 4 and 8 is 8. Convert 1/4 to 2/8 to add it to 3/8.

Front

What is the first step in adding unlike fractions?

Back

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

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common factor (GCF).

Front

What is the GCF of 4 and 12?

Back

The GCF of 4 and 12 is 4.

Front

What is 4/12 simplified?

Back

4/12 simplified is 1/3.

Front

What is the result of 5/6 - 1/3?

Back

5/6 - 1/3 = 1/2.

Front

How do you subtract fractions with unlike denominators?

Back

To subtract fractions with unlike denominators, first find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is the sum of 1/4, 1/4, 3/12, and 1/12?

Back

The sum is 5/6 pizza after simplifying.