Solutions by everydaycalculation.com
1st number: 10/15, 2nd number: 4 10/15
1015 - 7015 is -41.
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Related: 20/15-70/15 10/30-70/15 10/15-70/30 30/15-70/15 10/45-70/15 10/15-70/45 50/15-70/15 10/75-70/15 10/15-70/75 70/15-70/15
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