Solutions by everydaycalculation.com
1st number: 7/20, 2nd number: 5 4/10
720 - 5410 is -10120.
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Related: 14/20-54/10 7/40-54/10 7/20-54/20 21/20-54/10 7/60-54/10 7/20-54/30 35/20-54/10 7/20-54/50 49/20-54/10 7/20-54/70
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