Add and Subtract Fractions with Unlike Denominators

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 have unlike denominators?

Back

Unlike denominators are when the denominators of two or more fractions are different, making it necessary to find a common denominator to add or subtract them.

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions you are working with.

Front

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

Back

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

Front

What is the rule for adding fractions?

Back

When adding fractions, you must first ensure they have the same denominator, then add the numerators and keep the common denominator.

Front

What is the rule for subtracting fractions?

Back

When subtracting fractions, ensure they have the same denominator, then subtract the numerators and keep the common denominator.

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 may be different.

Front

How do you convert a fraction to an equivalent fraction?

Back

To convert a fraction to an equivalent fraction, multiply or divide both the numerator and denominator by the same non-zero number.

Front

What is the difference between 1/4 and 1/6?

Back

The difference between 1/4 and 1/6 is 1/12.

Front

What is 4/8 + 1/3?

Back

4/8 + 1/3 = 5/6.