Solutions by everydaycalculation.com
The simplest form of 421020 is 7170.
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Equivalent fractions: 84/2040 21/510 126/3060 14/340 210/5100 294/7140
More fractions: 84/1020 42/2040 126/1020 42/3060 43/1020 42/102141/1020 42/1019
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