proper to mixed fraction in javascript

1const arr = [22, 46];
2const properToMixed = arr => {
3   const quotient = Math.floor(arr[0] / arr[1]);
4   const remainder = arr[0] % arr[1];
5   if(remainder === 0){
6      return [quotient];
7   }else{
8      return [quotient, remainder, arr[1]];
9   };
10};
11console.log(properToMixed(arr));