1/2+1/3=3/6+2/6=5/6
1/2+1/2=2/2=1
1/2+2/3=3/6+4/6=7/6=1целая 1/6
1/2+2ц1/2=3
1/2+1/7=7/14+2/14=9/14
1/2+1/4=2/4+1/4=3/4
1/2+2/5=5/10+4/10=9/10
1/2+1ц1/2=2
1/2+1/10=5/10+1/10=6/10=3/5
1/2+3/7=7/14+6/14=13/14
1/2+1/5=5/10+2/10=7/10
1/2+4/5=5/10+8/10=13/10=1ц3/10
1/2+1/8=4/8+1/8=5/8
1/2+1ц1/3=1ц5/6
1/2+1/9=9/18+2/18=11/18