Solutions by everydaycalculation.com
1st number: 16/20, 2nd number: 3 3/8
1620 - 278 is -10340.
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Related: 32/20-27/8 16/20-54/8 16/40-27/8 16/20-27/16 48/20-27/8 16/20-81/8 16/60-27/8 16/20-27/24 80/20-27/8 16/20-27/40 16/20-27/56
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