Adding and Subtracting Mixed Numbers with Unlike Denominators

Front

What is a mixed number?

Back

Front

How do you add mixed numbers with unlike denominators?

Back

1. Convert mixed numbers to improper fractions. 2. Find a common denominator. 3. Add the fractions. 4. Convert back to a mixed number if necessary.

Front

What is an improper fraction?

Back

Front

How do you subtract mixed numbers with unlike denominators?

Back

1. Convert mixed numbers to improper fractions. 2. Find a common denominator. 3. Subtract the fractions. 4. Convert back to a mixed number if necessary.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the first step in adding fractions?

Back

The first step is to find a common denominator for the fractions being added.

Front

What is the first step in subtracting fractions?

Back

The first step is to find a common denominator for the fractions being subtracted.

Front

How do you simplify a fraction?

Back

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

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.