prealgebra
posted by mikey .
please help evaluate this problem with the steps. m/n +m/2p, when m=4/7,n=5/3,p=8/5

prealgebra 
Reiny
just plug in the numbers..
m/n +m/2p
= (4/7) / (5/3) + (4/7) / (16/5)
= (4/7)(3/5) + (4/7)(5/16)
= 12/35 + (20/112)
= 12/35  5/28
now 35 = 5 x 7
and 28 = 4 x7
so the LCD = 5x4x7 = 140
carry on from here 
prealgebra 
mikey
that is where my problem comes in please help with that part with the steps
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