public static int EquivalentFractions(int level) {
		Scanner keyboard = new Scanner(System.in);
		Random randomNumber = new Random();
		int max = 0, multi = 0, studentAnswer, correct = 0;
		double higher, lower, denom, correctAnswer;
		if (level == 1){
			max = 10;
			multi = 3;
		}
		else if (level == 2){
			max = 10;
			multi = 5;
		}
		else if (level == 3){
			max = 10;
			multi = 10;
		}
		for(int i = 1; i <= 10; i++) {
			int num1 = randomNumber.nextInt(max) + 1;
			int num2 = randomNumber.nextInt(max) + 1;
			if (num1 > num2) {
				higher = num1;
				lower = num2;
			}
			else {
				higher = num2;
				lower = num1;
			}
			denom = higher * (randomNumber.nextInt(multi) + 1);
			System.out.print(lower + " / " + higher + " = _ / " + denom + ": ");
			studentAnswer = keyboard.nextInt();
			double fraction1 = lower / higher;
			double fraction2 = studentAnswer / denom;
			correctAnswer = lower * (denom / higher);
			if (fraction1 == fraction2){
				System.out.println("You are correct");
				correct++;
			}
			else
			System.out.println("Oops, you are wrong. The correct answer was " + correctAnswer);
		}
		return correct;