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). For example, in the fraction 1/2, 1 is the numerator and 2 is the denominator.

Front

How do you add fractions with the same denominator?

Back

Front

How do you add fractions with different denominators?

Back

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions. It allows you to add or subtract fractions easily.

Front

How do you subtract fractions with the same denominator?

Back

Front

What is the process to find a common denominator?

Back

To find a common denominator, list the multiples of each denominator and find the smallest multiple that they share. This is the least common multiple (LCM).

Front

What is an improper fraction?

Back

Front

What is a mixed number?

Back

Front

How do you convert an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder becomes the numerator of the proper fraction.

Front

Back

The first step is to ensure the fractions have the same denominator, which they do in this case.