Addition and Substraction of Fractions

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... click for more

Addition and Substraction of Fractions

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 ____... click for more

Exponents that are fractions.

Taking a class with my Daughter at a community college. - Math for the middle school educator. I can get the answers usually by calculator but I need to show my work. LOST! The examples that the instructor went over in class were; and I missed the class. (5^2/3)^7/2 (3^1/2)(12^1/2) 5^200 / 5^-201 (5^1/2)(11^1/2) (21^1/2)(21^1/2) also writing a decimal as a fraction in simplest form ___ .0204 = 68/333 by calculator but how would I show my work without using a calulator. I dont have a clue. Help

I am taking a class for Middle School Educators, need help with a couple of the questions, need to show work and explain the answer

Define then; Let W = the set of whole numbers F = the set of (non-negative) Fractions I = the set of integers Q= the set of rational numbers R =the set of real numbers Question List all of the seets that have the following properties. (a) 5 is an element of the set(s)? (b) -1/2 is an element of the set(s)? (c) 0 is an element of the set(s)? (d) square root of 81 is an element of the set(s)? (e) square root of 2 is an element of the set(s)? Next Question is; Determine which of the following graphs represent functions (a) see attached graph, in powerpoint. I couldnt figure how to draw the nice curves but you can probably interp... click for more

percentage

find the percentage notation 3/16