y-5/3 =1

solve the equation

5/3 = 1.6 repeating

y - 1.6=1 2.6

idk if you mean 5 over 3 like a fraction or like a division

5 over 3 = 1 1/3
1 divided by 3 = 0.3 *repeating
1.3 + 1 = 2.3
y = 2.3