Of those, 4/5 is the greatest.
50 over 99
10/21
7/27
It is 2.2
seven and seven ninths.....or...... seventy ninths
9/11
12 over 35 and then siplify
2/5 × 10/11 = 20/55 simplified to 4/11
0.6364
0.44
Eleven become so angry with seven because eleven is an odd number but when seven wants to make out with him and add into him eleven becomes eighteen that is an even number and he gets angry over that.