4/15-1/6-1/12/1/12+3/4-2/5 3/8+1/4+5/6/1/2+2/3-1/8

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1
(4/15-1/6-1/12):(1/12+3/4-2/5)=(16/60-10/60-5/60):(5/60+45/60-24/60)=
=1/60:26/60=1/60*26/60=26
2
(3/8+1/4+5/6):(1/2+2/3-1/8)=(9/24+6/24+20/24):(12/24+16/24-3/24)=
=35/24:25/24=35/24*24/25=7/5=1,4