Solutions by everydaycalculation.com
1st number: 2 0/10, 2nd number: 1 8/10
2010 - 1810 is 15.
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Related: 40/10-18/10 20/10-36/10 20/10-18/20 60/10-18/10 20/10-54/10 20/30-18/10 20/10-18/30 20/10-90/10 20/50-18/10 20/10-18/50 20/70-18/10 20/10-18/70
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