Adding and Subtracting fractions with unlike denominators

1/2 + 1/4

• 1/6

• 2/6

• 3/4

• huh?

3/4 + 2/3

• 12/17

• 17/12

• 5/7

• 9/12

4/6 + 3/6

• 7/6

• 5/6

• 3/6

• huh?

1/3 + 1/9

• 3/9

• 4/9

• 5/9

• 2/12

1/3 -1/9

• 1/9

• 2/9

• 3/9

• 0/6

3/12 - 1/4

• 4/12

• 3/12

• 1/12

• 0

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4/5 + 1/3

• 17/15

• 12/15

• 4/5

• 3/6

Tags

CCSS.8.NS.A.1

I ate 1/3 of a pizza. Cody ate 1/2 of the same pizza. How much did we eat of the pizza?

• 5/6

• 1 whole

• 2/6

• 9/12

I ate 1/4 of a chicken. Harry ate 1/3 of the same chicken. When we are done eating, how much of the chicken is left over?

• 4/12

• 3/12

• 2/12

• 5/12

Tags

CCSS.4.MD.A.2

12/18 - 3/6

• 1/6

• 3/18

• 4/9

• 6/18