(-5/12-3/4):2цел1/2+5цел1/3*0,75 / - это дробь

(-5/12-3/4):2 1/2+5 1/3*0,75=4 7/15-5/12-3/4=1 1/61 1/2:2 1/2=7/6:5/2=7/6*2/5=7/3*1/5=7/155 1/3*0,75=16/3*75/100=100/25=47/15+4=4 7/15