Solutions by everydaycalculation.com
1st number: 21/30, 2nd number: 1 2/6
2130 - 86 is -1930.
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Related: 42/30-8/6 21/30-16/6 21/60-8/6 21/30-8/12 63/30-8/6 21/30-24/6 21/90-8/6 21/30-8/18 21/30-40/6 21/30-8/30 21/30-56/6 21/30-8/42
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