What is the ruling on making up the fasts of Ramadan for one who missed several years and does not know the number of days?

The questioner : I would like to ask, Shaykh, about a woman. She missed making up Ramadan for several years. She missed it. Yes. In the sense that when she first reached puberty, her family did not pay attention to urging her to make up the fasts, and it seems it may have been three or four years. Now she has become aware, but she does not know the number of years, nor does she know the number of days. What should she do?

The Shaykh : May Allah reward you for your good deed. In this issue, there are many similar cases. She should act according to the most likely estimate. Yes, completely according to the most likely estimate. May Allah have mercy on you. What is the most likely estimate in her mind? She should do that. And it is better for her to increase in making up the fasts beyond what is required of her than to decrease. Yes.

The questioner : Does that not drop the obligation on her?

The Shaykh : No, it does not drop it at all.

The questioner : Okay, and does she fast them consecutively, or...?

The Shaykh : By Allah, we return to the previous rule regarding the immediacy of Hajj, meaning it is better to hasten it. But this may not be feasible. So she should strive to fast them consecutively as much as she can, and if there is no obstacle, she may separate them. And...