Solutions by everydaycalculation.com
The simplest form of 15201210 is 152121.
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Equivalent fractions: 3040/2420 760/605 4560/3630 7600/6050 304/242
More fractions: 3040/1210 1520/2420 4560/1210 1520/3630 1521/1210 1520/12111519/1210 1520/1209
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