Solutions by everydaycalculation.com
The simplest form of 721420 is 10360.
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Equivalent fractions: 1442/840 2163/1260 3605/2100 5047/2940 103/60
More fractions: 1442/420 721/840 2163/420 721/1260 722/420 721/421720/420 721/419
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