Solutions by everydaycalculation.com
1st number: 1 6/15, 2nd number: 8/15
2115 - 815 is 1315.
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Related: 42/15-8/15 21/15-16/15 21/30-8/15 21/15-8/30 63/15-8/15 21/15-24/15 21/45-8/15 21/15-8/45 21/15-40/15 21/75-8/15 21/15-8/75 21/15-56/15
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