Adding Fractions

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

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, 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 common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, used to add or subtract them.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

What is the sum of 2/12 and 2/6?

Back

The sum is 1/2 after finding a common denominator and simplifying.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 1/3 and 2/5?

Back

The sum is 11/15 after finding a common denominator and simplifying.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 2 3/4 and 3/8 and 1 1/6?

Back

The sum is 4 7/24 after converting to improper fractions and finding a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 3/5 and 1/10?

Back

The sum is 7/10 after finding a common denominator and simplifying.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the sum of 3/8 and 1/4?

Back

The sum is 5/8 after finding a common denominator and simplifying.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2