3 1/5 = 3.2 [becaude, 3(5) = 15 + 1 = 16. Next the fraction becomes 16/5, then we divide 16 ÷ 5 which is equal to 3.2. That's why we reversed 3 1/5 to 3.2 ]
So, now the problem becomes ⬇
3 - 1 + 12 + 3.2 - 2.67
So, that means your answer would have to be
14.53