Adding fractions with unlike denominators
(1 ÷ 4) + (2 ÷ 3)
What is 11/12?
3 & 1/2 + 2 & 1/4
What is 5 & 3/4?
(1 ÷ 2) - (3 ÷ 6)
What is 1/6?
7 - 1 4/5
What is 5 1/5?
John evaluates the expression 1/4 + 5/8. His work is shown.
1/4 + 5/8 = 2/8 + 5/8
Is the work shown above correct? Why or why not?
What is yes, it is correct? You need to find common denominators before you can add.
(7 ÷ 10) + (1 ÷ 2)
What is 1 and 2/10 or 1 and 1/5?
9 & 1/4 + 17 & 5/8?
What is 26 & 7/8?
(7 ÷ 9) - (1 ÷ 3)
What is 4/9?
3 1/4 - 1 2/3
What is 1 7/12?
Adams evaluates the expression 3/5 + 3/4. His work is shown.
3/5 + 3/4 = 12/20 + 15/20 = 27/40
Is the work shown above correct? Why or why not?
When adding fractions with like denominators, the denominator stays the same (you don't add them together).
4 granola bars of the same flavor are shared equally by 3 friends. Express the answer as a division expression, a fraction, and a mixed number.
What is 4 ÷ 3?
4/3
1 & 1/3
2 & 3/4 + 1 & 7/8 + 4 & 1/2
What is 7 & 17/8 or 9 & 1/8?
(3 ÷ 4) - (6 ÷ 9)
What is 3/36 or 1/12?
8 2/5 - 6 1/4
What is 2 3/20?
StuCo has 17 members and they get five pizzas to share evenly. Which from below represent the problem?
a. 5/17
b. 17/5
c. 3 2/5
d. 5 ÷ 17
e. 17 ÷ 5
f. 17 x 5
What is A, and D?
5 treats are shared equally by 3 dogs. Express the answer as a division expression, a fraction, and a mixed number to represent how many treats each dog gets.
What is 5 ÷ 3?
5/3
1 & 2/3
Jada rides her bike 2 & 3/10 miles from her home to the store. She rides her bike 3 & 4/5 miles from the store to the park. How many miles does Jada ride her bike in all?
DAILY DOUBLE
What is Jada rides her bike 5 & 11/10 or 6 & 1/10 miles in all?
(5 ÷ 6) - (3 ÷ 8)
What is 11/24?
13 2/9 - 2 4/6
What is 10 10/18 OR 10 5/9?
Ms. Anderson cooks 7 cups of rice. She divides the rice equally between 4 bowls. Mrs. Anderson then pours 1 2/3 cups of mushrooms into each bowl.
How many cups of rice and mushrooms are in each bowl?
What is 3 5/12 cups?
A cook pours 9 gallons of soup equally into 4 pots. How many gallons of soup does the cook pour into each pot? Express the number of gallons as a division expression, a fraction, and a mixed number.
What is 9 ÷ 4?
9/4
2 & 1/4
Adesh spends 5 & 3/4 hours in school. He spends 1 & 1/3 hours at his piano lesson. How many hours does Adesh spend in school and at his piano lessons in all?
What is 6 & 13/12 or 7 & 1/12 hours?
(7 ÷ 8) - (3 ÷ 5) - (1 ÷ 4)
What is 1/40?
17 1/5 - 5 4/9
What is 11 34/45?
Mrs. Jedlicka splits 9 cups of sugar evenly into 5 bowls. She then pours 2 3/4 cups of brown sugar into each bowl.
How many cups of sugar are in each bowl?
DAILY DOUBLE
What is 4 11/20 cups?