Adding Fractions

Front

What is a fraction?

Back

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

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert the fractions, and then add the numerators. For example, 1/3 + 1/4 = 4/12 + 3/12 = 7/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction. For example, 2 1/2 is a mixed number.

Tags

CCSS.3.NF.A.3C

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 1/2 = (2*2 + 1)/2 = 5/2.

Front

What is the first step in adding fractions?

Back

The first step in adding fractions is to determine if the denominators are the same or different.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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 simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor (GCF). For example, 4/8 simplifies to 1/2.

Front

What is the sum of 1/4 and 1/4?

Back

1/4 + 1/4 = 2/4 = 1/2 after simplification.

Tags

CCSS.4.NF.B.3A

Front

What is the sum of 1/3 and 1/6?

Back

1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2 after simplification.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B