Solutions by everydaycalculation.com
1st number: 4/5, 2nd number: 1 4/21
45 - 2521 is -41105.
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Related: 8/5-25/21 4/5-50/21 4/10-25/21 4/5-25/42 12/5-25/21 4/5-75/21 4/15-25/21 4/5-25/63 20/5-25/21 4/25-25/21 28/5-25/21 4/35-25/21
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