Code for Leha(LUA)

function division(x, y)
    local denominator = x * y + math.min(x, y)
    if denominator ~= 0 then
        return math.max(x, (y + x)) / denominator
    else
        return nil
    end
end


print(division(0, 0)) --division by zero
print(division(1, 10)) --1.0