Adding & Subtracting Fractions (Negative & Positive)

Front

What is the process for adding 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 common denominator, and then add the numerators while keeping the common denominator.

Front

How do you subtract fractions with different denominators?

Back

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

Front

What is the result of adding a positive fraction to a negative fraction?

Back

The result depends on the absolute values of the fractions. If the positive fraction has a greater absolute value, the result will be positive; if the negative fraction has a greater absolute value, the result will be negative.

Front

How do you handle subtracting a negative fraction from a positive fraction?

Back

Subtracting a negative fraction is equivalent to adding its positive counterpart. For example, a - (-b) = a + b.

Front

What is the result of -13/8 + 7/8?

Back

The result is -3/4.

Front

What is the result of -2/6 - 3/6?

Back

The result is -5/3.

Front

What is the result of 5/7 - 9/7?

Back

The result is -4/7.

Front

What is the result of 11/6 - (-7/6)?

Back

The result is 3.

Front

What is the result of -5/8 - (-15/8)?

Back

The result is 5/4.

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.