Solutions by everydaycalculation.com
1st number: 14/20, 2nd number: 1 8/20
1420 - 2820 is -710.
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Related: 28/20-28/20 14/20-56/20 14/40-28/20 14/20-28/40 42/20-28/20 14/20-84/20 14/60-28/20 14/20-28/60 70/20-28/20 98/20-28/20
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