Breakdown of Viidesosa on kaksikymmentä prosenttia.
olla
to be
kaksikymmentä
twenty
viidesosa
a fifth
prosentti
percent
Questions & Answers about Viidesosa on kaksikymmentä prosenttia.
How exactly is the word viidesosa constructed?
It combines the ordinal number viides (fifth) and the noun osa (part). In Finnish, most fractions are formed exactly this way by attaching osa to the ordinal stem.
Could I just say viides to mean "one fifth"?
No. On its own, viides just means the ordinal "fifth" (as in coming in 5th place). To mean the mathematical fraction "a fifth", you must attach osa.
Why is the word prosenttia in the partitive case?
Whenever you use a basic number greater than one, the noun that follows it must be in the partitive singular. Here, the number kaksikymmentä (twenty) forces prosentti to become prosenttia.
If "one fifth" is viidesosa, how would I say "two fifths" based on this sentence?
You would treat the fraction just like any other normal noun following a number. Since two is greater than one, you use the number two followed by the partitive singular of the fraction: kaksi viidesosaa.
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