(27–12–5)/30
3/4+4/9–5/6
(18–15+8)/36
1/2–5/12+2/9
(20+27–24)/36
(27+16–30)/36
5/9+3/4–2/3
1/3–3/5+4/15
9/10–2/5–1/6
(14+5+18)/30
3/5–2/3+4/15
(20+9–25)/30
(9–10+4)/15
7/15+1/6+3/5
2/3+3/10–5/6
(5–9+4)/15
