Solutions by everydaycalculation.com
1st number: 7/10, 2nd number: 1 20/30
710 - 5030 is -2930.
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Related: 14/10-50/30 7/20-50/30 7/10-50/60 21/10-50/30 7/30-50/30 7/10-50/90 35/10-50/30 7/50-50/30 49/10-50/30 7/70-50/30
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