Question

Oblicz 6/5 - 7/15 + 2/3 = 1 1/4 - 2/3+ 2 5/6 = 7 10/35 +5 4/7-3 2/5= 1 13/25 +17/25-1 4/5

Answer 1

6/5-7/15+2/3=18/15-7/15+10/15=21/15=1i6/15=1i2/5

1i1/4-2/3+2i5/6=1i3/12-8/12+2i10/12=15/12-8/12+2i10/12=7/12+2i10/12=2i17/12=

3i5/12

7i10/35+5i4/7-3i2/5=7i10/35+5i20/35-3i14/35=12i30/35-3i14/35=9i16/35

1i13/25+17/25-1i4/5=1i30/25-1i20/25=10/25=2/5

Answer 2

6/5 - 7/15 + 2/3 = 18/15-7/15+10/15=21/15=1 6/15

1 1/4 - 2/3+ 2 5/6 =15/12-8/12+34/12=41/12=3 5/12

7 10/35 +5 4/7-3 2/5=7 10/35+5 20/35-3 14/35=9 16/35

1 13/25 +17/25-1 4/5=1 13/25+17/25-1 20/25=10/25=2/5