Solutions by everydaycalculation.com
1st number: 2/3, 2nd number: 2 3/21
23 - 4521 is -3121.
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Related: 4/3-45/21 2/3-90/21 2/6-45/21 2/3-45/42 6/3-45/21 2/9-45/21 2/3-45/63 10/3-45/21 2/15-45/21 14/3-45/21 2/21-45/21
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