Solutions by everydaycalculation.com
1st number: 1 6/15, 2nd number: 4/15
2115 - 415 is 1715.
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Related: 42/15-4/15 21/15-8/15 21/30-4/15 21/15-4/30 63/15-4/15 21/15-12/15 21/45-4/15 21/15-4/45 21/15-20/15 21/75-4/15 21/15-4/75 21/15-28/15
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