Is it obligatory to make up missed fasts before fasting the six days of Shawwal

The questioner : I tell you, my brother, yes. I fasted the six days, yes, I fasted them, and I also fasted the days for my menstrual period. Yes, they said it is not permissible.

The Shaykh : I mean, I fasted before making up the missed fasts.

The questioner : Yes.

The Shaykh : That is a mistake.

The questioner : And then I understood it regarding the menstrual period. No. What?

The Shaykh : You must make up the missed fasts first; the missed fasts must be made up before fasting the six days of Shawwal, because the Prophet (peace and blessings be upon him) says

The questioner : I seek forgiveness from Allah.

The Shaykh : So he began by fasting Ramadan, and if a woman has missed fasts to make up, she did not fast Ramadan,

The questioner : She broke her fast for five days in it.

The Shaykh : If you fasted twenty-five days of Ramadan, you did not fast the whole month. No, by Allah. If

The questioner : And then you fasted the six days and the five days for the missed fasts.

The Shaykh : In any case, if Allah wills, the fasting is valid; the fasting of the five days for making up is valid, and the fasting of the six days is valid, because you did not know. But the reward attached to them, the reward attached to this, does not occur.

The questioner : Yes, yes, may Allah be pleased with you.

The Shaykh : And after this year, if Allah wills, you will start by making up the missed fasts before fasting the six days.