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.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a negative fraction?

Back

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

Tags

CCSS.6.NS.C.6A

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.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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.

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.7.NS.A.1C

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

What is the process for finding a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions being added or subtracted.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the rule for adding two negative fractions?

Back

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

Tags

CCSS.7.NS.A.1C

Front

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

Back

When subtracting a positive fraction from a negative fraction, add the absolute values and keep the result negative.

Tags

CCSS.7.NS.A.1C