Adding & Subtracting Mixed Numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/3.

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 over the original denominator is the fraction.

Front

What is the first step in adding or subtracting fractions with unlike denominators?

Back

The first step is to find a common denominator.

Front

How do you find a common denominator for two fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the process for adding mixed numbers?

Back

1. Add the whole numbers. 2. Add the fractions. 3. If the fraction sum is improper, convert it to a mixed number and add it to the whole number.

Front

What is the process for subtracting mixed numbers?

Back

1. Subtract the whole numbers. 2. Subtract the fractions. 3. If the fraction result is negative, borrow from the whole number.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the result of 2/3 + 1 3/6?

Back

The result is 2 1/6 or 13/6.

Front

What is the result of 8 2/4 - 3 2/3?

Back

The result is 4 5/6.

Front

How do you subtract fractions with unlike denominators?

Back

1. Find a common denominator. 2. Convert the fractions. 3. Subtract the numerators and keep the common denominator.