That may be divided into fractions; divisible(adjective)
Divided; separated; parted(adjective)
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Use "dividable" in a sentence
"Mothers life, is not brought forwards against George nor you* if so, the dividable sum would be thirty three pounds. —"
""We have a world that cannot be looked upon as dividable," he told us."
"While hospitals cannot offer every in-patient a private room, shared rooms are generally dividable by curtains that enable patients some degree of physical seclusion (and associational intimacy with visiting family and friends)."