Massallah pertaining to paying kafara for missed Salaahs

Question

Asalaamualaikum respected Mufti
My grandmother is alhumdulillah 91 years old, she wears a urinal bag and is wheel chair bound.it is very difficult for her to keep her whudu,but she manages to pray zuhr salaah on jumma and occassionally other salaah.she would like to know whether theres is a kafara to pay for the salaah she has missed, and if so how would we calculate it.
jazakallah

zd · Answer

As long as she is mentally sane but totally physically incapacitated then Kafara should be paid. 6 Salaats per day for each Salaat the Sadaqatul Fitr amount.