Solutions by everydaycalculation.com
1st number: 6/10, 2nd number: 1 15/20
610 - 3520 is -2320.
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Related: 12/10-35/20 6/10-70/20 6/20-35/20 6/10-35/40 18/10-35/20 6/30-35/20 6/10-35/60 30/10-35/20 6/50-35/20 42/10-35/20 6/70-35/20
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