Solutions by everydaycalculation.com
1st number: 8/15, 2nd number: 1 3/21
815 - 2421 is -64105.
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Related: 16/15-24/21 8/15-48/21 8/30-24/21 8/15-24/42 24/15-24/21 8/15-72/21 8/45-24/21 8/15-24/63 40/15-24/21 8/75-24/21 56/15-24/21
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