Solutions by everydaycalculation.com
1st number: 10/25, 2nd number: 1 8/10
1025 - 1810 is -75.
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Related: 20/25-18/10 10/25-36/10 10/50-18/10 10/25-18/20 30/25-18/10 10/25-54/10 10/75-18/10 10/25-18/30 50/25-18/10 10/25-90/10 10/25-18/50 70/25-18/10 10/25-18/70
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