49 1/3 /16= (49*3+1)/(3*16)=148/(4*12)=4*37/(4*12)=37/12
14/8 1/6=14*6/(8*6+1)=84/49
(37*49-84*12)/(12*49)=(1813-1008)/(12*7*7)=805/(12*7*7)=7*115/(12*7*7)=115/(12*7)
115/(12*7)*7=115/12
14-115/12=(14*12-115)/12=53/12
1 59/70+37/42=(70+59)/70+37/42=129*3/(70*3)+37*5/(42*5)=(387+185)/210=572/210=2*286/(2*105)=286/105
286/105+2 19/30=572/210+7(2*30+19)/210=(572+553)/210=1125/210=225/42=75/14
1 17/18*75/14=(18+17)*3*25/(3*6*14)=35*25/(6*7*2)=7*5*25/(12*7)=125/12=10 5/12
10 5/12-10=5/12
53/12 :5/12=53/12*12/5=53/5=10 3/5=10,6