Solutions by everydaycalculation.com
1st number: 10/20, 2nd number: 1 4/10
1020 - 1410 is -910.
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Related: 10/20-28/10 10/40-14/10 10/20-14/20 30/20-14/10 10/20-42/10 10/60-14/10 10/20-14/30 50/20-14/10 10/20-70/10 10/20-14/50 70/20-14/10 10/20-98/10 10/20-14/70
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