adding and subtracting fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to add fractions?

Back

Adding fractions involves combining two or more fractions to find a total. To add fractions with different denominators, you must first find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you find a common denominator for \(\frac{2}{12}\) and \(\frac{2}{4}\)?

Back

The least common multiple of 12 and 4 is 12, so the common denominator is 12.

Front

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What does it mean to subtract fractions?

Back

Subtracting fractions involves taking one fraction away from another. Like addition, you need a common denominator for fractions with different denominators.

Tags

CCSS.4.NF.B.3A

Front

Back

Tags

CCSS.7.NS.A.1C

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

Convert the improper fraction \(\frac{23}{21}\) to a mixed number.

Back

Front

Back

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2