Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 2 3/21
121 - 4521 is -4421.
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Related: 2/21-45/21 1/21-90/21 1/42-45/21 1/21-45/42 3/21-45/21 1/63-45/21 1/21-45/63 5/21-45/21 7/21-45/21
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