fractionally

In a fractional manner

Japanese Meaning

分数的に / ごくわずかに

The interest rate was fractionally higher than last month, barely noticeable to most customers.

金利は先月よりごくわずかに高く、多くの顧客にはほとんど気づかれませんでした。

Sense（1）

In a fractional manner

One twin was fractionally older than the other.

more fractionally

（ comparative ）

most fractionally

（ superlative ）