Method add

src/jvm/clojure/lang/Numbers.java:773–780

(Number x, Number y)

	}

	final public Number add(Number x, Number y){
		Ratio rx = toRatio(x);
		Ratio ry = toRatio(y);
		Number ret = divide(ry.numerator.multiply(rx.denominator)
				.add(rx.numerator.multiply(ry.denominator))
				, ry.denominator.multiply(rx.denominator));
		return normalizeRet(ret, x, y);
	}

	final public Number multiply(Number x, Number y){
		Ratio rx = toRatio(x);