1 6/5 = 2.2 The fraction 1 6/5 is equal to 1 plus 6 divided by 5 which is equal to 1 plus 1.2 which is equal to 2.2 in decimal.
1 5/8 = 1.625 The fraction 1 5/8 is equal to 1 plus 5 divided by 8 which is equal to 1 plus 0.625 which is equal to 1.625 in decimal.
So 1 6/5 is greater.