Can she observe a voluntary fast when she still owes days from Ramadaan?

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Observing voluntary fasts before making up fasts from Ramadan
Rulings on changing the intention of a prayer after starting it

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When making up missed fasts, it is essential to form the intention the night before, as is required in the case of the original fast
Should she obey her father and not fast?
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Observing voluntary fasts before making up fasts from Ramadan
Rulings on changing the intention of a prayer after starting it

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