Solutions by everydaycalculation.com
1st number: 2 8/21, 2nd number: 5/21
5021 - 521 is 157.
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Related: 50/21-10/21 50/42-5/21 50/21-5/42 50/21-15/21 50/63-5/21 50/21-5/63 50/21-25/21 50/21-35/21
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