```\\nfunction fraction(uint numerator, uint denominator) internal pure returns (uint) {\\n    if (numerator == 0) return 0;\\n\\n    require(denominator > 0, "FixedPoint: division by zero");\\n    require(numerator <= type(uint144).max, "FixedPoint: numerator too big");\\n\\n    return (numerator << RESOLUTION) / denominator;\\n}\\n```\\n