1) -1,35-1/16=-1ц.7/20+(-1/16)=-(1ц.28/80+5/80)=-1ц.33/80
2)-1ц.33/80-(-1ц9/10)=-1ц.33/80+(-1ц.72/80)=-2ц.105/80
3)-19/24-(-1ц.35/48)=-38/48+(-1ц.35/48)=-1ц.73/48
4)55/100-(-2ц.105/80)=11/20+2ц.105/80=44/80+2ц.73/80=2ц.117/80
5)2ц.117/80-(-1ц.73/48)=2ц.117/80+1ц.73/48=2ц.351/240+1ц.365/240=3ц.716/240=5ц.236/240=5ц.59/60