Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to add fractions?

Back

Adding fractions involves combining the parts represented by the fractions. If the denominators are the same, you add the numerators. If they are different, you must find a common denominator first.

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 the least common denominator (LCD) of 1/3 and 1/4?

Back

The least common denominator of 1/3 and 1/4 is 12.

Front

What is the first step in adding ⅘ + ½?

Back

The first step is to find a common denominator.

Front

Can you add fractions with different denominators directly?

Back

No, you cannot add fractions with different denominators directly; you must first convert them to have a common denominator.

Front

What is the sum of 1/4 + 5/8?

Back

The sum of 1/4 + 5/8 is 7/8.

Front

What is the process for subtracting fractions?

Back

To subtract fractions, ensure they have a common denominator, then subtract the numerators and keep the denominator the same.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 1 1/2.