i Will give brainliest​

Answer: B
Step-by-step explanation:
Option A simplifies to 7/15
Option B simplifies to 11/21
If 1/2 is equal to .50, then when subtracted 7/15 would be equal to 0.46666667 and 11/21 would be equal to 0.52380952... meaning that 11/21 would be closer to 1/2 (or .50).
Hope this helps!