Solutions by everydaycalculation.com
1st number: 1 7/20, 2nd number: 2 0/10
2720 - 2010 is -1320.
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Related: 54/20-20/10 27/20-40/10 27/40-20/10 81/20-20/10 27/20-60/10 27/60-20/10 27/20-20/30 27/20-20/50 27/20-20/70
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