[B_ing]

Hello!
I am playing 0.25/.50 ring games (which I am beating at a small sample size of 6k). I am bankrolled with 150 BB for that.
I play SNG at the same site for 0.96 buy in. I would need 100 buy Ins as a bankroll for minimum.
Can I use my bankroll for playing both (150*0.50<100*0.96) or do I need to add my bankroll for each game (150*0.50+100*0.96=required bankroll)?