Solutions by everydaycalculation.com
1st number: 14/28, 2nd number: 1 26/28
1428 - 5428 is -107.
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Related: 14/56-54/28 14/28-54/56 42/28-54/28 14/84-54/28 14/28-54/84 70/28-54/28 98/28-54/28
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