{8/35+[(3/2-33/35)+(3/14-2/35)-(2-12/7+5/14)]} x 3 1/3 =
={8/35+[(105-66)/70)+(15-4)/70-(28-24+5)/14]} x 10/3 =
=[8/35+(39/70+11/70-9/14)] x 10/3 =
=[8/35+(50/70-9/14)] x 10/3 =
=[8/35+(5/7-9/14)] x 10/3 =
=8/35+1/14 x 10/3 =
=8/35+1/7 x 5/3 =
=8/35+5/21 =
=49/105=
=7/15
