Solutions by everydaycalculation.com
1442 - 742 is 16.
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Related: 28/42-7/42 14/42-14/42 14/84-7/42 14/42-7/84 14/42-21/42 70/42-7/42 14/42-35/42 98/42-7/42 14/42-49/42
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