ANSWER:

What is important is the feeding of the food and not the price. You can pay in any currency you like. 

If the wife is giving Fidya but she lives in Pakistan and the husband lives in UK, which country currency do You pay fidya?

Zakat | June 2, 2018 5:32 am
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When’s the earliest in ramadan that zakatul fitr food can be given to the poor? is one’s zakatul fitr valid if the food is given to the poor before the 27th of ramadan? i think the latest it can be given is right before the actual eid prayer
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I should pay Zakaat from my annual savings or from my lifetime savings?