pricing table line break

Hi,
Regarding Pricing Tables, while giving a presentation I noticed that on more narrow screen widths the cost line breaks and drops part of the pricing to the second line. For example: a cost of:
$112.5/monthly

reads:
$11
2.5
/annual

before it transfers to a stacked (mobile type format).

Is there a way to prevent that break? Screen shot attached.

Regards,
Cmel