Unit 4: Add & Subtract Fractions

Front

What is a fraction?

Back

Front

What does it mean to add fractions with different denominators?

Back

To add fractions with different denominators, you must first find a common denominator, convert the fractions, and then add the numerators.

Front

What is the least common denominator (LCD)?

Back

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

Front

Back

Front

Back

Front

Back

Front

Back

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have a common denominator, then subtract the numerators and keep the denominator the same.

Front

What is a mixed number?

Back

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 original denominator is the fraction.