2 5/8-2 5/14*2/3 2 5/8-33/14*2/3 2 5/8- 11/7
---------------------------------- = ------------------------------ = -------------------------- =
(3 1/12+4 375/1000):19 8/9 (3 1/12+4 3/8):19 8/9 (3 2/24+4 9/24):19 8/9
2 5/8 - 1 4/7 2 35/56 - 1 32/56 1 3/56 1 3/56
---------------------- = ------------------------- = ----------------- = ---------- =
7 11/24 : 19 8/9 179/24 : 179/9 179/24*9/179 3/8
=59/56 : 3/8 = 59/56*8/3=59/21=2 17/21