public static Number ratioRemainder(Ratio x, Ratio y) {
BigInteger q =
x.getNumerator()
.multiply(y.getDenominator())
.divide(x.getDenominator().multiply(y.getNumerator()));
return BigInt.fromBigInteger(q);
}
public static Number bigIntRemainder(BigInt x, BigInt y) {
return x.remainder(y);
}