Solutions by everydaycalculation.com
1st number: 1/6, 2nd number: 1 3/21
16 - 2421 is -4142.
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Related: 2/6-24/21 1/6-48/21 1/12-24/21 1/6-24/42 3/6-24/21 1/6-72/21 1/18-24/21 1/6-24/63 5/6-24/21 1/30-24/21 7/6-24/21 1/42-24/21
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