7 3 7 35 7 175 7+175 182 91 1
-- + 8 -- = -- + -- = -- + ----- = --------- = ------ = --- = 9 --- = 9,1
20 4 20 4 20 20 20 20 10 10
8 3/5+ 1 9/10 = 43/5 + 19/10 = 86/10 +19/10 = 105/10 = 10 5/10 = 10 1/2 = 10,5
6 2/3 + 8 5/7 = 20/3 + 61/7 = 140/21 + 183/21= 323/21 = 13 8/15