Solutions by everydaycalculation.com
1st number: 16/30, 2nd number: 1 5/10
1630 - 1510 is -2930.
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Related: 32/30-15/10 16/30-30/10 16/60-15/10 16/30-15/20 48/30-15/10 16/30-45/10 16/90-15/10 16/30-15/30 80/30-15/10 16/30-75/10 16/30-15/50 16/30-15/70
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