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 a positive fraction and a negative fraction?

Back

To add a positive fraction and a negative fraction, find a common denominator, convert both fractions, and then add the numerators, keeping the sign of the larger absolute value.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in subtracting fractions?

Back

The first step in subtracting fractions is to find a common denominator.

Tags

CCSS.7.NS.A.1C

Front

What does it mean to simplify a fraction?

Back

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

Front

Back

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.7.NS.A.1C

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.

Tags

CCSS.7.NS.A.1C

Front

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

Back

Subtracting a negative fraction is the same as adding its positive equivalent.

Tags

CCSS.7.NS.A.1C

Front

How do you convert mixed numbers to improper fractions?

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.