--- /dev/null
+/**
+ * Adds two numbers.
+ *
+ * @static
+ * @memberOf _
+ * @category Math
+ * @param {number} augend The first number in an addition.
+ * @param {number} addend The second number in an addition.
+ * @returns {number} Returns the total.
+ * @example
+ *
+ * _.add(6, 4);
+ * // => 10
+ */
+function add(augend, addend) {
+ var result;
+ if (augend !== undefined) {
+ result = augend;
+ }
+ if (addend !== undefined) {
+ result = result === undefined ? addend : (result + addend);
+ }
+ return result;
+}
+
+module.exports = add;