Solutions by everydaycalculation.com
1st number: 1 2/10, 2nd number: 7/10
1210 - 710 is 12.
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Related: 24/10-7/10 12/10-14/10 12/20-7/10 12/10-7/20 36/10-7/10 12/10-21/10 12/30-7/10 12/10-7/30 60/10-7/10 12/10-35/10 12/50-7/10 12/10-7/50 84/10-7/10 12/10-49/10 12/70-7/10 12/10-7/70
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