Addition and Substraction of Fractions
Not what you're looking for?
This is for OTA #101733 only!
1. Find the LCM of 16 and 40.
____a. 40
__x_b. 80
____c. 120
____d. 640
2. Add and Simplify: 4/5+3/4
____a. 7/20
____b. 7/9
_x__c. 31/20
____d. 17/9
3. Subtract and simplify: 8/15-2/9
_x__a. 2/45
____b. 16/135
____c. 40/135
____d. 14/45
4. Which of the following statements is true?
____a. 3/5>1/2
____b. 1/2<4/9
____c. 5/11>1/2
__x_d. 1/2>5/8
5. Solve: x + 3/8=5/12
____a. 10/9
____b. 19/24
____c. 5/32
_x__d. 1/24
6. Convert 9 2/3 to fraction notation.
____a. 4/3
____b. 14/3
____c. 21/3
_x__d. 29/3
7. Divde: 7/2138
____a. 302 6/7
__x_b. 305 3/7
____c. 315 6/7
____d. 350 3/7
8. Add: 8 3/4 + 1 1/6
____a. 9 1/12
____b. 9 1/3
____c. 9 2/5
_x__d. 9 11/12
9. Subtract: 8 1/2 - 4 2/5
____a. 4 9/10
_x__b. 4 1/10
____c. 3 9/10
____d. 3 1/5
10. Dustin worked 6 4/5 hours on Monday and 7 3/4 hours on Tuesday. How many hours did he work on those two days?
____a. 13 9/20 hours
_x__b. 13 7/9 hours
____c. 14 2/9 hours
____d. 14 11/20 hours
11. Subtract: 98 - 16 2/3
____a. 82 2/3
____b. 81 2/3
_x__c. 81 1/3
____d. 80 2/3
12. Greg needs 234 ft. of baseboard to finish trimming the floors in his house. He has 145 3/4 ft. of baseboard. How much baseboard does he need to buy?
__x_a. 88 1/4 ft.
____b. 89 3/4 ft.
____c. 90 1/4 ft.
____d. 90 3/4 ft.
13. Multiply: 18 x 5/6
____a. 21 3/10
____b. 18
__x_c. 15
____d. 1 2/3
14. Multiply: 4 3/8 x 2 1/5
_x__a. 9 5/8
____b. 9 7/40
____c. 8 3/40
____d. 6 23/40
15. Divide: 1 2/5 divid 21
____a. 1/15
____b. 1 2/105
_x__c. 15
____d. 29 2/5
16. A pizza dough recipe calls for 2 1/2 cups of flour. How much flour is needed for 4 recipes?
____a. 8 cups
____b. 9 cups
_x__c. 10 cups
____d. 11 cups
17. An order of books weighs 36 lb. Each book weighs 1 1/3 lb. How many books are in the order?
____a. 12 books
____b. 27 books
____c. 30 books
__x_d. 48 books
18. Simplify: 5/8 + 2 1/3 x 3 1/4
____a. 8 5/24
____b. 7 5/24
__x_c. 3 7/8
____d. 5/16
19. Find the average of 1/4, 3/8, and 5/6 ( this one is kinda difficult, show formula)
____a. 4 3/8
____b. 1 41/64
_x__c. 1 11/24
____d. 35/72
20. Estimate 16 20/21 x 28 3/7 - 4 13/25 + 8 2/47 as a whole number or as a mixed number where the fractional part is 1/2. (this one is kinda difficult, show formula)
____a. 452
____b. 480
____c. 488
__x_d. 492 1/2
Purchase this Solution
Purchase this Solution
Free BrainMass Quizzes
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts
Exponential Expressions
In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Know Your Linear Equations
Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.