Hazrat Saeed bin Jubair, Hazrat Ata, Hazrat Mujahid, and Hazrat Tawus did not consider separation in making up missed fasts of Ramadan to be prohibited.

Hazrat Mujahid was asked that if a person has missed fasts of Ramadan, should he observe them consecutively or can he keep them separately? He replied: Allah Almighty desires ease for His servants. He may act upon whichever method he finds easier; if keeping them together is easier, then he should do so, and if keeping them separately is easier, then he should do so.

Hazrat Abu Maisarah used to observe the missed fasts of Ramadan separately.

Hazrat Sha'bi says that if it is difficult for a person to fast continuously, then he may keep them separately, because these are counted as days of other times.

Hazrat Ikrimah, regarding the Qur’anic verse { فَعِدَّۃٌ مِنْ أَیَّامٍ أُخَرَ }, says that if one wishes, one may combine it, and if one wishes, one may keep it separate.

Hazrat Hakam states that there is no harm in keeping the missed fasts of Ramadan separately.

Hazrat Dahhak, regarding the missed fasts of Ramadan, says that if one wishes, he may keep them consecutively, and if he wishes, he may keep them separately.

Hazrat Ja'far bin Maimoon says that making up for missed fasts of Ramadan is counted as (making up) on other days.

Hazrat Ata bin Yasar says that there is no harm in separating the missed fasts of Ramadan.

Hazrat Ibn Abbas (may Allah be pleased with both of them) says regarding the missed fasts of Ramadan that you may keep them as you wish. Hazrat Ibn Umar (may Allah be pleased with both of them) says that keep them in the same manner as you left them.