Adding Fractions and Mixed Numbers

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Tags

CCSS.3.NF.A.3C

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the denominator the same. 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

Find a common denominator, convert the fractions, 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 an improper fraction?

Back

An improper fraction has a numerator that is greater than or equal to its denominator, such as 9/4.

Tags

CCSS.3.NF.A.3C

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the denominator is the fraction. For example, 9/4 = 2 1/4.

Front

What is the first step in adding mixed numbers?

Back

Convert the mixed numbers to improper fractions before adding.

Tags

CCSS.7.NS.A.1C

Front

What is the sum of 8/9 + 4/9?

Back

12/9 or 1 and 1/3 after converting to a mixed number.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the sum of 2/3 + 2/3?

Back

4/3 or 1 and 1/3 after reducing.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you write 5/8 using unit fractions?

Back

1/8 + 1/8 + 1/8 + 1/8 + 1/8.

Tags

CCSS.4.NF.B.3B