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Mathematics 8 Online
OpenStudy (anonymous):

1/4 - 1/6

OpenStudy (lilg132):

4 * 6 = ? (this is going to be the denominator for both fractions) the two numerators will be 1 * 6 = ? 1 * 4 = ? and minus the numerators from eachother remember to click good answer :)

OpenStudy (anonymous):

so what is the answer to 1/4 - 1/6?

OpenStudy (lilg132):

work it out

OpenStudy (lilg132):

i've explained many times how to

OpenStudy (anonymous):

I suck at math

OpenStudy (lilg132):

ok whats 4 * 6 = ?

OpenStudy (anonymous):

24

OpenStudy (anonymous):

njow what do I do next?

OpenStudy (anonymous):

now*

OpenStudy (lilg132):

now we know that 24 is the denominator (the bottom number of the fractions) so to work out the two numerators you multiply 1 * 6 = ? 1 * 4 = ?

OpenStudy (anonymous):

but the bottom number has to be six or 12

OpenStudy (lilg132):

yes dont worry we will get that after you worked out what i've wrote

OpenStudy (anonymous):

@lilg132:I do appreciate your effort but may be should explain hir in a general way..

OpenStudy (anonymous):

ok so it is 6 and 4

OpenStudy (lilg132):

fool for math feel free to explain the way you want and i will explain the way i want

OpenStudy (lilg132):

yes so the two fractions will now be 6/24 - 4/24 we minus the numerators which give you?

OpenStudy (anonymous):

plz I only want lilg 123 to help she does good

OpenStudy (lilg132):

hint: 6 - 4 and im a he :p

OpenStudy (anonymous):

2

OpenStudy (anonymous):

srry

OpenStudy (anonymous):

ok

OpenStudy (lilg132):

well done but now you have the fractions which looks like this 6/24 - 4/24 = 2/24

OpenStudy (anonymous):

ok

OpenStudy (lilg132):

now you said the denominator needs to be either 6 or 12

OpenStudy (anonymous):

yupers

OpenStudy (lilg132):

so we divide both numbers by 2 2/24 divide both numbers by two will give you?

OpenStudy (anonymous):

Alright: $$\large \frac{a}{b} - \frac{c}{d} = \frac{ ad - bc }{bd} $$ could it be easy than this ?

OpenStudy (anonymous):

um...

OpenStudy (lilg132):

let me try and help you 2/2 = ? 2/24 = ?

OpenStudy (lilg132):

sorry 24/2

OpenStudy (anonymous):

@Peacelover123:Just substitute a,b,c,d and you will find the result in a go..

OpenStudy (anonymous):

12

OpenStudy (lilg132):

2/2 = (2 goes into 2 once) so the answer is 1 24/2 = (2 goes into 24 12 times) so the answer is 12 so the fraction now is 1/12

OpenStudy (anonymous):

thank you lilg 123

OpenStudy (lilg132):

your welcome :)

OpenStudy (anonymous):

one more

OpenStudy (anonymous):

@lilg132:Your method is ridiculous and teachers like you cause confusion in young mind which can't be cured in long run ..

OpenStudy (anonymous):

11/12 - 2/3

OpenStudy (anonymous):

lilg 123 does the same thing my teacher would do

OpenStudy (lilg132):

we'll let peacelover123 decide if she is being confused your opinion does not matter to me foolformath dont be offended because she doesnt find your method helpful

OpenStudy (lilg132):

look i dont want to start another post all about you again so please dont start again

OpenStudy (lilg132):

peacelover123 i suggest you post the question again

OpenStudy (anonymous):

yeah thank you lilg 123

OpenStudy (anonymous):

Your teacher approach is also convoluted and hence you are asking for help here..

OpenStudy (anonymous):

ok

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