Solutions by everydaycalculation.com
1st number: 15/70, 2nd number: 1 2/10
1570 - 1210 is -6970.
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Related: 30/70-12/10 15/70-24/10 15/70-12/20 45/70-12/10 15/70-36/10 15/70-12/30 75/70-12/10 15/70-60/10 15/70-12/50 15/70-84/10 15/70-12/70
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