Adding and Subtracting 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 involves combining the parts represented by the fractions. To add fractions with different denominators, you must find a common denominator.

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 want to add.

Front

What is the sum of 1/6 + 1/12?

Back

1/4

Front

What is the sum of 2/3 + 2/9?

Back

8/9

Front

What is the sum of 2/12 + 3/12 in lowest terms?

Back

5/12

Front

What is the sum of 1/3 + 1/9?

Back

4/9

Front

What is the sum of 3/5 + 3/10?

Back

9/10

Front

What is the process of simplifying a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms by dividing the numerator and denominator by their greatest common divisor (GCD).

Front

What is the greatest common divisor (GCD)?

Back

The GCD is the largest number that divides both the numerator and denominator without leaving a remainder.