Solutions by everydaycalculation.com
The simplest form of 42078 is 7013.
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Equivalent fractions: 840/156 210/39 1260/234 140/26 2100/390 2940/546
More fractions: 840/78 420/156 1260/78 420/234 421/78 420/79419/78 420/77
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