export class ConvertMinutesToHoursHelper { static convertMinutesToHours = (minutes: number): string => { let h: string | number = Math.floor(minutes / 60); let m: string | number = minutes % 60; h = h < 10 ? '0' + h : h; m = m < 10 ? '0' + m : m; return `${h}:${m}`; }; }