Solutions by everydaycalculation.com
1st number: 27/70, 2nd number: 1 2/10
2770 - 1210 is -5770.
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Related: 54/70-12/10 27/70-24/10 27/70-12/20 81/70-12/10 27/70-36/10 27/70-12/30 27/70-60/10 27/70-12/50 27/70-84/10 27/70-12/70
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