ANSWER:
This is too extreme. When you tell others, you are not doing it to impress them and you are doing it for the sake of Allah. Therefore, there is no problem in telling people that you are fasting.
ANSWER:
This is too extreme. When you tell others, you are not doing it to impress them and you are doing it for the sake of Allah. Therefore, there is no problem in telling people that you are fasting.