Add and Subtract Fractions

Front

What is a fraction?

Back

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then add the numerators.

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.

Front

What is the first step in subtracting fractions?

Back

The first step in subtracting fractions is to ensure that the fractions have a common denominator. If they do not, find the least common denominator.

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that is common to the denominators of two or more fractions.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is a mixed number?

Back

Front

How do you simplify a fraction?

Back

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

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) is the largest number that divides both the numerator and the denominator without leaving a remainder.

Front

Back