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. If the denominators are the same, add the numerators. If they are different, find a common denominator first.

Front

What is the first step in subtracting fractions?

Back

The first step is to ensure both fractions have the same denominator. If they don't, find the least common denominator (LCD).

Front

How do you find the Least Common Denominator (LCD)?

Back

The LCD is the smallest number that is a multiple of both denominators. It allows fractions to be added or subtracted easily.

Front

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

Back

1/4 + 1/4 = 2/4 = 1/2.

Front

What is the sum of 1/3 and 1/6?

Back

1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2.

Front

What is 3/5 - 1/5?

Back

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

Front

How do you convert 1/2 to a fraction with a denominator of 4?

Back

1/2 = 2/4 (multiply both the numerator and denominator by 2).

Front

What is the sum of 2/3 and 1/2?

Back

2/3 + 1/2 = 4/6 + 3/6 = 7/6 or 1 1/6.

Front

What is 5/8 - 1/4?

Back

5/8 - 1/4 = 5/8 - 2/8 = 3/8.