Solutions by everydaycalculation.com
1st number: 3 2/10, 2nd number: 4 0/10
3210 - 4010 is -45.
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Related: 64/10-40/10 32/10-80/10 32/20-40/10 32/10-40/20 96/10-40/10 32/30-40/10 32/10-40/30 32/50-40/10 32/10-40/50 32/70-40/10 32/10-40/70
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