Answered by Shaykh Faraz Rabbani
What does one do if one has not fasted for some days in the previous Ramadan now that another Ramadan is about to start?
Answer:
Walaikum assalam,
Keep track of them, and make them up after. There is no expiation for this delay in the Hanafi school. [Ibn Abidin]
Walaikum assalam,
Faraz Rabbani.
