Solutions by everydaycalculation.com
1st number: 21/30, 2nd number: 3 2/6
2130 - 206 is -7930.
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Related: 42/30-20/6 21/30-40/6 21/60-20/6 21/30-20/12 63/30-20/6 21/30-60/6 21/90-20/6 21/30-20/18 21/30-20/30 21/30-20/42
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