1221/3515 = 252/525 = 0.487211/3330 = 792/990 = 0.8251744/51875 = 18700/3060 = 6.1183+823/3+16 = 24+184/3+16 = 24+61.33 = 85.331748/1716-916 = 816/272-144 = 3-144 = -141145-143/2189+213 = 70-42/2189+63 = 28/2092 = 0.0134
1221/3515 = 252/525 = 0.48
7211/3330 = 792/990 = 0.8
251744/51875 = 18700/3060 = 6.11
83+823/3+16 = 24+184/3+16 = 24+61.33 = 85.33
1748/1716-916 = 816/272-144 = 3-144 = -141
145-143/2189+213 = 70-42/2189+63 = 28/2092 = 0.0134