Sunday

December 21, 2014

December 21, 2014

Posted by **Aaron M** on Thursday, February 14, 2013 at 10:13am.

I'm unsure of the working

- Maths, find the Exact Value -
**Steve**, Thursday, February 14, 2013 at 10:35am2/3 + 3/4 - 2/11 - 5/21

3*4*11*7 = 924, so if we use that as our common denominator, the numerators add up to:

2*(4*11*7) + 3*(3*11*7) - 2*(3*4*7) - 5*(4*11) = 921

921/924 = 307/308

**Answer this Question**

**Related Questions**

Math - I have to find the exact value(so in fraction form.. like 1231231/41231 ...

trig/pre -calc - hello, i don't quite understand how to do this type of problem...

math - An initial-value problem is given by the differential equation, f(x,y) = ...

calculus - i am on "rolles and the mean value theorem" and was just wondering, ...

Trig hep, please? Thank you! - 1. Find the exact value of sin(195(degrees)) 2. ...

Math - Find the exact value of sin(pi/24) So like i need like the value like ...

Math - Find the exact value of sin(pi/24) So like i need like the value like ...

Trignometry questions EASY HELP - 1. Which is a solution to the equation below? ...

Algebra II - 1) Find the exact value of cos theta if the terminal side of theta ...

Calculus - Seperable Equations - Solve the separable differential equation (dy/...