Adding 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 to find a total.

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 the least common denominator (LCD) of two fractions?

Back

To find the LCD, list the multiples of each denominator and identify the smallest multiple they share.

Front

What is the first step in adding fractions with different denominators?

Back

The first step is to find a common denominator for the fractions.

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 the mixed number 1⅔ to an improper fraction.

Back

1⅔ = 5/3 (1 * 3 + 2 = 5, so 5/3).

Front

What is the sum of ⅘ + ½?

Back

The sum is 1 1/10.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

Can you add fractions with unlike denominators directly?

Back

No, you must first find a common denominator before adding.

Tags

CCSS.7.NS.A.1C

Front

What is the result of adding 1/2 and 3/7?

Back

The result is 29/14 or 2 1/14.

Tags

CCSS.7.NS.A.1C