Solutions by everydaycalculation.com
1st number: 1 6/15, 2nd number: 10/15
2115 - 1015 is 1115.
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Related: 42/15-10/15 21/15-20/15 21/30-10/15 21/15-10/30 63/15-10/15 21/15-30/15 21/45-10/15 21/15-10/45 21/15-50/15 21/75-10/15 21/15-10/75 21/15-70/15
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