1/2+2/3+3/4= 4+5i2/5+2i1/4= 6/7-5/6= 2i3/4=1i2/3= 4i1/3-5/6= 4i4/5-1i1/7= 8i1/2-6i5/7= 5/63/7*4/5= 2*2*1/4= 1/3*3/5*5/8= 4/5*2i6/7*1i3/4= 4*3i1/8*3/10= 10/21:3i3/14+ 2i7/16:3/32= 7i1/2:1i7/8= 40:2/5= 16/25:8= 3i5/7;3i1/4= 1i1/2:2i1/4=
1/2+2/3+3/4= 4+5i2/5+2i1/4= 6/7-5/6= 2i3/4=1i2/3= 4i1/3-5/6= 4i4/5-1i1/7= 8i1/2-6i5/7= 5/63/7*4/5= 2*2*1/4= 1/3*3/5*5/8= 4/5*2i6/7*1i3/4= 4*3i1/8*3/10= 10/21:3i3/14+ 2i7/16:3/32= 7i1/2:1i7/8= 40:2/5= 16/25:8= 3i5/7;3i1/4= 1i1/2:2i1/4=