Adding fractions
What is 4/12 + 5/12?
9/12
What does equivalent mean?
Equal to
A chef bought ⁷⁄₁₂ pounds of carrots. If he later bought another ⁵⁄₁₂ pounds of carrots, what is the total weight of carrots he bought?
12/12 = 1 pound
Examples:
1/10 + 8/10
7/10 + 2/10
5/10 + 4/10
What is 11/12 - 5/12?
6/12
Bonus: 1/2
Are 3/5 and 5/10 equivalent?
No
What is the definition of the word "numerator"?
the number above the fraction bar that shows the number of equal parts of the whole or set
Sam drew a line that was 2/10 inches long. If he drew a second line that was 4/10 inches longer, what is the length of the second line?
6/10 inches
Solve: 3 2/12 + 2 4/12.
5 6/12
What subtraction equation can you make that equals 5/10 or 1/2?
Examples:
10/10 -5/10
25/10-20/10
(or any other equation equaling 1/2!)
Find an equivalent fraction to 1/3
2/6, 3/9, 4/12, 5/15,6/18...
Amy had 6/12 cups of flour. If she used 5/12 cups of flour for baking, how much flour did she have left?
1/12 cups of flour
Add the fractions. Write the answer as a mixed number. 2/4 + 1/4 + 3/4 =
1 2/4
Keng bought a box of fruit that weighed 23/24 kilograms. If he gave away 10/24 kilograms of fruit to his friends, how many kilograms does he have left?
13/24
Are 4/12 and 12/36 equivalent?
Yes
Solve:
6 4/5 - 2 1/5
4 3/5
Sam spent 2 7/10 hours working on his reading and math homework. If he spent 1 4/10 hours on his reading homework, how much time did he spend on his math homework?
1 3/10 hours
On Monday Terra spent 4/5 hours studying. On Tuesday she spent another 6/5 hours studying. How much time did she spend studying in total?
2 hours
A full garbage truck weighed 23/10 tons. After dumping the garbage, the truck weighed 8/10 tons. What was the weight of the garbage?
BONUS: Write your answer as a mixed number.
15/10 = 1 5/10 = 1 1/2 tons
yes
Solve 7 4/8 - 3 5/8
Write your answer as a mixed number.
3 7/8
A recipe called for using 1 ¹⁄₄ cups of flour before baking and another 6 3/4 cups after baking. What is the total amount of flour needed in the recipe?
7 8/8 = 8 cups of flour