which one is correct? to reach someone
what is the best number to reach you on?
what is the best number to reach you?
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which one is currect? I wonder why they add an "on" here?Thank you!

Question

Answer

It's the second one. You usually don't end sentences with a preposition.

"What is the best number to reach you?"

Answer

Thank you Wendy. However, I also know the rule that you should omit the proposition at the end of setences. In this case, can I omit "on"?

Answer

Thank you Su.Ki. However, I also know the rule that you should omit the proposition at the end of setences. In this case, can I omit "on"?

Answer

You can also say "What is the best number to reach you at?"

Answer

The first is correct, because you reach somebody ON a number. For example, "You can reach me on 77643" or "77643 is the best number to reach me on". It  would be wrong to omit the 'on'.

لا تفوّت فرصة تعلّم لغة جديدة وأنت مرتاح في منزلك. تصفّح مجموعتنا المختارة من مدرّسي اللغات ذوي الخبرة وسجّل في درسك الأول الآن!