The most common and most likely answer to this crossword clue is the 9 letter word ELEVENTHS
I've seen this crossword clue in Independent
E
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More clues leading to the result ELEVENTHS
Buddy explains!
The straight part
We know that "fractions" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fractions = elevenths.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ELEVENTHS mean?
ELEVENTHS noun- The person or thing in the eleventh position.
- One of eleven equal parts of a whole.
- The note eleven scale degrees from the root of a chord.