Jami` at-Tirmidhi 1346
جامع الترمذي#1346SahihIbn 'Umar narrated that the Prophet (ﷺ) said:"Whoever frees a portion" or, he said: "a part" or he said: "a share he owns of a slave, then he can afford the remainder of the price according to the reasonable price, then he will be free. Otherwise he has freed as much as he has freed (only)." Ayyub (one of the narrators) said: "Perhaps Nafi said in this Hadith: 'Meaning he has freed as much of him as he has freed
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 15:26