Abd bin Amr bin al-As said: The Prophet of Allah ﷺ said: There are seven takers in the first rak'ah and five in the second rak'ah of the prayer offered on the day of the breaking of the fast.

Narrated Aishah, Ummul Muminin: The Messenger of Allah ﷺ would say the takbir (Allah is most great) seven times in the first rak'ah and five times in the second rak'ah on the day of the breaking of the fast and on the day of sacrifice (on the occasion of both the Eid prayers, the two festivals).

Narrated Abdullah ibn Amr ibn al-As: The Prophet ﷺ used to say on the day of the breaking of the fast seven takbirs in the first rak'ah and then recite the Quran, and utter the takbir (Allah is most great). Then he would stand, and utter the takbir four times. Thereafter he would recite the Quran and bow. Abu Dawud said: This has been narrated by Waki and Ibn al-Mubarak. Their version goes: "Seven (in the first rak'ah) and five (in the second). "