MVC Razor view with jQuery AJAX calling MVC controller method

ControllerMethods.cs

public class HomeController : Controller
{
    public ActionResult Math()
    {
        return View("Math");
    }

    public ActionResult Add(int a, int b)
    {
        int sum = a + b;
        return Content(sum.ToString());
    }
}

Math.cshtml

<h2>title</h2>

<input id="a"/> + <input id="b"/> = <span id="result"></span>
<br/>
<button id="addButton">Add</button>

@section Scripts {
    <script>
        $(function() {
            $("#addButton")
                .click(function () {
                    var a = $("#a").val();
                    var b = $("#b").val();
                    $.get("/Home/Add",
                         { "a": a, "b": b },
                        function (data) {
                            $("#result").text(data);
                        }
                    );
                });
        })
    </script>
}