Adding and Subtracting Positive and Negative Fractions

Front

What is a positive fraction?

Back

A positive fraction is a fraction where the numerator and denominator are both positive numbers, indicating a value greater than zero.

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What is a negative fraction?

Back

A negative fraction is a fraction where the numerator is negative, indicating a value less than zero.

Front

How do you add two fractions with different denominators?

Back

To add two fractions with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Front

What is the first step in subtracting a negative fraction from a positive fraction?

Back

The first step is to convert the subtraction of a negative fraction into addition by changing the sign.

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Front

What is the rule for adding two negative fractions?

Back

When adding two negative fractions, add their absolute values and keep the negative sign.

Front

What is the rule for subtracting a positive fraction from a negative fraction?

Back

Subtract the absolute value of the positive fraction from the absolute value of the negative fraction, and the result will be negative.

Front

What is the least common denominator (LCD)?

Back

The least common denominator 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

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