Adding and 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 \frac{1}{2}.

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the denominator is the fraction.

Front

What is the first step in adding mixed numbers?

Back

Convert any improper fractions to mixed numbers if necessary.

Front

How do you add mixed numbers?

Back

Add the whole numbers together, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

Front

What is the first step in subtracting mixed numbers?

Back

Convert any improper fractions to mixed numbers if necessary.

Front

How do you subtract mixed numbers?

Back

Subtract the whole numbers, then subtract the fractions. If the fraction sum is negative, borrow from the whole number.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be a common denominator for two or more fractions.

Front

How do you find the least common denominator?

Back

List the multiples of each denominator and find the smallest multiple they share.

Front

What is the process of simplifying a fraction?

Back

Divide the numerator and the denominator by their greatest common factor (GCF).

Front

What does it mean to reduce a fraction?

Back

To reduce a fraction means to simplify it to its lowest terms.