Adding/Subtracting Fractions Review

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 two or more fractions to find a total. If the denominators are the same, add the numerators and keep the denominator. If they are different, find a common denominator first.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions. If the denominators are the same, subtract the numerators and keep the denominator. If they are different, 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 a common denominator for 1/4 and 1/6?

Back

The least common multiple (LCM) of 4 and 6 is 12. So, the common denominator is 12.

Front

Convert 1/4 to a fraction with a denominator of 12.

Back

1/4 = 3/12 (multiply both the numerator and denominator by 3).

Front

Convert 1/6 to a fraction with a denominator of 12.

Back

1/6 = 2/12 (multiply both the numerator and denominator by 2).

Front

What is the sum of 1/4 and 1/6?

Back

1/4 + 1/6 = 3/12 + 2/12 = 5/12.

Front

What is the difference between 3/4 and 1/2?

Back

3/4 - 1/2 = 3/4 - 2/4 = 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 (e.g., 5/4).