1 1/2 × 2/9 ÷ 4/5 + 7/10= 5/6 - 3/4 × 11/12 ÷ 3 1/3=

11/2 × 2/9 ÷ 4/5 + 7/10 = 11/9 ÷ 4/5 + 7/10
= 11/9 × 5/4 + 7/10 = 55/36 + 7/10
= 550 + 252 / 360
= 802/360 = 401/180
5/6-3/4×11/12÷3 1/3 = 5/6-3/4×11/12÷10/3
= 5/6-11/16×3/10= 5/6-33/160
= 800-198/960= 602/960
= 301/480