Solutions by everydaycalculation.com
The simplest form of 42042 is 101.
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Equivalent fractions: 840/84 210/21 1260/126 140/14 2100/210 2940/294 60/6
More fractions: 840/42 420/84 1260/42 420/126 421/42 420/43419/42 420/41
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