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LonelyandForgottenBest ResponseYou've already chosen the best response.1
dw:1364852403030:dw
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
when denominator is common you can combine the numerator, \(\huge \dfrac{a}{b}+\dfrac{c}{b}=\dfrac{a+c}{b}\)
 one year ago

LonelyandForgottenBest ResponseYou've already chosen the best response.1
oh. But why is there a minus sign there. do i have to subtract?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
yes, whatever is in numerator, just copy it. dw:1364852759481:dw got that ^ ?
 one year ago

LonelyandForgottenBest ResponseYou've already chosen the best response.1
do i have to subtract?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
there was 15 in 1st numerator and 22 in 2nd so, i wrote 1522 now to evaluate that, you can factor out  *minus* so, 1522 =  (15+22) you had to add actually.
 one year ago

sw050399Best ResponseYou've already chosen the best response.0
It's like if you have: dw:1364852815238:dw Because the denominators are the same, you can just rewrite it as one fraction: dw:1364852863132:dw
 one year ago

LonelyandForgottenBest ResponseYou've already chosen the best response.1
it was 16 not 15
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
oh, yes, just replace 15 by 16
 one year ago

LonelyandForgottenBest ResponseYou've already chosen the best response.1
alrighty, thanks! :D that helps a lot
 one year ago
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