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# marco fractions

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1. /* Term 2 Assignment 1 - Fraction */
2. /* A class which is used to represent fractions*/
3. public class Fraction
4. {
5.   private int numerator;
6.   private int denominator;
7.
8.   // write default constructor
9.   public Fraction(){
10.     numerator = 1;
11.     denominator = 1;
12.   }
13.
14.   // write constructor for fraction n/d where n, d > 0
15.   public Fraction(int n, int d){
16.     if(n > 0){
17.       numerator = n;
18.     }
19.     else{
20.       numerator = 1;
21.     }
22.
23.     if(d > 0){
24.       denominator = d;
25.     }
26.     else{
27.       denominator = 1;
28.     }
29.
30.   }
31.
32.   // TODO write method to return fraction as a String
33.   public String toString(){
34.     return numerator+"/"+denominator;
35.   }
36.
37.   // write method to return fraction as a mixed number String
38.   public String mixedNumber(){
39.     String toPrint = "";
40.     int tempInt = 0;
41.     int tempN = numerator;
42.
43.     while(tempN >= denominator){
44.       tempN = tempN - denominator;
45.       tempInt = tempInt + 1;
46.     }
47.     tempN = numerator%denominator;
48.
49.     if(tempN != 0){
50.       toPrint = toPrint + tempInt + " " + tempN + "/" + denominator;
51.     }
52.     if(tempN == 0){
53.       toPrint = tempInt + "";
54.     }
55.     if(tempN != 0 & tempInt == 0){
56.       toPrint = tempN + "/" + denominator;
57.     }
59.   }
60.
61.   // write method to add fraction n/d to this Fraction
62.   public void add(int n, int d){
63.     if(n > 0 & d > 0){
64.       // a/b and c/d is(a*d + c*b)/(b*d).
65.       numerator *= d;
66.       n *= denominator;
67.       numerator = numerator / (denominator * d);
68.       denominator = denominator / (denominator * d);
69.     }
70.   }
71. }
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