Solutions by everydaycalculation.com
The simplest form of 12151515 is 81101.
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Equivalent fractions: 2430/3030 3645/4545 405/505 6075/7575 243/303
More fractions: 2430/1515 1215/3030 3645/1515 1215/4545 1216/1515 1215/15161214/1515 1215/1514
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