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 the parts represented by the fractions, which often requires a common denominator.

Tags

CCSS.4.NF.B.3A

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 1/3 and 3/9?

Back

The least common denominator for 1/3 and 3/9 is 9.

Front

What is the first step in adding ⅘ + ½?

Back

The first step is to find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Solve: 3/9 + 1/3 = ?

Back

2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Can you add fractions with different denominators directly?

Back

No, you cannot add fractions with unlike denominators without finding a common denominator first.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 4/6 - 1/2?

Back

1/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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 10/8 to a mixed number.

Back

1 2/8 or 1 1/4.