Solutions by everydaycalculation.com
1st number: 10/15, 2nd number: 3 2/10
1015 - 3210 is -3815.
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Related: 20/15-32/10 10/15-64/10 10/30-32/10 10/15-32/20 30/15-32/10 10/15-96/10 10/45-32/10 10/15-32/30 50/15-32/10 10/75-32/10 10/15-32/50 70/15-32/10 10/15-32/70
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