Adding and Subtracting Fractions

Front

What is the sum of 2/8 and 4/8?

Back

3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

Kayla had 1/6 of the cake and Jim had 3/6 of the cake. What is the total amount of cake they had?

Back

4/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

How do you add two fractions with like denominators?

Back

Add the numerators and keep the like denominators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is 4/6 - 1/6?

Back

3/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

If you ran 3 1/4 laps and walked 4 2/4 laps, how many laps did you go altogether?

Back

7 3/4 laps.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator and a denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you simplify a fraction?

Back

Divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the process for subtracting fractions with like denominators?

Back

Subtract the numerators and keep the same denominator.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the least common multiple (LCM) and how is it used in adding fractions?

Back

The LCM is the smallest multiple that two or more numbers share, used to find a common denominator for adding fractions.