Adding Fractions

Front

What is the sum of ½ + ½?

Back

The sum is 2/2, which simplifies to 1.

Tags

CCSS.4.NF.B.3A

Front

What is a denominator in a fraction?

Back

The denominator is the bottom number of a fraction that indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you write an addition equation for the shaded parts of a model showing 3/6 and 2/6?

Back

The addition equation is 3/6 + 2/6 = 5/6.

Tags

CCSS.4.NF.B.3A

Front

What is the sum of 2/12 + 3/12?

Back

The sum is 5/12.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How can you express 6/8 as a sum of unit fractions?

Back

6/8 can be expressed as 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8.

Tags

CCSS.4.NF.B.3B

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Front

How do you find a common denominator for adding fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the process for adding fractions with different denominators?

Back

Convert the fractions to have a common denominator, then add the numerators and keep the common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of adding fractions with the same denominator?

Back

Add the numerators and keep the same denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms by dividing the numerator and denominator by their greatest common divisor (GCD).