Solutions by everydaycalculation.com
The simplest form of 84020 is 421.
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Equivalent fractions: 1680/40 420/10 2520/60 4200/100 168/4 5880/140
More fractions: 1680/20 840/40 2520/20 840/60 841/20 840/21839/20 840/19
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