Currency operator+(const Currency& first, const Currency& other){
int wV, fV;
wV = first.wholeVal + other.wholeVal;
fV = first.fracVal + other.fracVal;
Currency c = Currency(wV, fV);
c.simplify();
return c;
}
Currency operator-(const Currency& first, const Currency& other){
Currency c = Currency(first.wholeVal, first.fracVal);
c.wholeVal -= other.wholeVal;
c.fracVal -= other.fracVal;
try {
c.simplify();
}
catch (string e) {
throw e;
}
return c;
}