2/11 + 3/8 + 4/11 + 6/11 + 5/8
2/11 + 3/8 + 4/11 + 6/11 + 5/8 = ( 2/11 + 4/11 + 6/11 ) + ( 3/8 + 5/8 ) = 12/11 + 8/8 = 1 1/11 + 1 = 2 1/11
2/11 +3/8 + 4/11 +6/11 +5/8=20/49