Adding & Subtracting Fractions with UNLIKE Denominators

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 find a common denominator for two fractions?

Back

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

Front

What are equivalent fractions?

Back

Equivalent fractions are different fractions that represent the same value or proportion.

Front

How can you create equivalent fractions?

Back

You can create equivalent fractions by multiplying or dividing both the numerator and denominator of a fraction by the same non-zero number.

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

What should you do after finding a common denominator?

Back

After finding a common denominator, convert each fraction to an equivalent fraction with that common denominator.

Front

What is the process of simplifying a fraction?

Back

Simplifying a fraction involves reducing it to its lowest terms by dividing the numerator and denominator by their greatest common factor (GCF).

Front

Why is it important to simplify fractions after adding or subtracting?

Back

Simplifying fractions makes them easier to understand and work with, and it is often required in final answers.

Front

What is the rule regarding adding or subtracting denominators?

Back

When adding or subtracting fractions, you NEVER add or subtract the denominators.

Front

What is the formula for adding two fractions?

Back

To add two fractions, convert them to a common denominator, then add the numerators and keep the common denominator.