Solutions by everydaycalculation.com
1st number: 1 6/10, 2nd number: 1 5/20
1610 - 2520 is 720.
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Related: 32/10-25/20 16/10-50/20 16/20-25/20 16/10-25/40 48/10-25/20 16/10-75/20 16/30-25/20 16/10-25/60 80/10-25/20 16/50-25/20 16/70-25/20
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