Solutions by everydaycalculation.com
The simplest form of 16201221 is 540407.
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Equivalent fractions: 3240/2442 4860/3663 540/407 8100/6105
More fractions: 3240/1221 1620/2442 4860/1221 1620/3663 1621/1221 1620/12221619/1221 1620/1220
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