Adding Same Denominator Unit Fractions

Add and simplify 4/7 and 3/7.

• 6/7

• 1

• 1 4/7

• 7/49

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

In the case that the given fractions are dissimilar, how shall we make them similar being the only way to proceed to addition or subtraction of fractions?

• Add the denominators together. Whatever is the sum, that will be the denominator for both fractions.

• Just choose either of the denominator from both fractions that you wanted as new denominator before you proceed to adding and subtracting the numerators.

• Simply find LCD and use such LCD as the new denominator for both fractions. Then find equivalent fractions for each given.

• All of the above.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

7/8 - 7/12

• 7/24

• 1/4

• 7/12

• 4/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Why is it important to have the same denominators when adding or subtracting unit fractions?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is 3/4 + 1/4 = ?

Mathematical Equivalence

ON

Tags

CCSS.4.NF.B.3A

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

To add or subtract unit fractions with the same denominator, simply combine the ________________ and keep the denominator the same.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Adding and subtracting unit fractions is a simple process. Just make sure the ________________ are the same, and then combine or subtract the numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the result of adding 1/3 and 1/3?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D