Слово "fraction". Англо-русский словарь Мюллера

"Nationals," as they were called, were inflation money, war money, fiat money, and were discounted a fraction of a percent on day of first issue, concealed as "exchange service charge."

And fractions presented no difficulties to her at all.

In his eyes she was perfect, and she did not feel at all afraid. He told her he could do mental arithmetic, as far as fractions, and that he knew the number of square miles and the number of inhabitants in the country.

Had the porcupine been entirely unrolled, or had it not discovered its enemy a fraction of a second before the blow was struck, the paw would have escaped unscathed; but a side-flick of the tail sank sharp quills into it as it was withdrawn.

“Yes, but only a fraction of a microsecond, Lieutenant.

Why act the part of the grumpy grownup when instead you could smile and remember your own innocent childhood, watching the look of delight upon my young face as I buy a few toys using an insignificant fraction of the wealth that I earned by defeating the most terrible wizard Britain has ever known, not that I'm accusing you of being ungrateful or anything, but still, what are a few toys compared to that?"