6 2/3 * 1 1/5 * 5/8 5
----------------------------- = ------- = 25
2 1/4 : 1 2/3 : 6 3/4 1/5
1) 6 2/3 * 1 1/5 = 20/3 * 6/5 = 4/1 * 2/1 = 8
2) 8 * 5/8 = 5
3) 2 1/4 : 1 2/3 = 9/4 : 5/3 = 9/4 * 3/5 = 27/20
4) 27/20 : 6 3/4 = 27/20 : 27/4 = 27/20 * 4/27 = 1/5 * 1/1 = 1/5
5) 5 : 1/5 = 5 * 5 = 25