Solutions by everydaycalculation.com
1st number: 21/30, 2nd number: 1 4/6
2130 - 106 is -2930.
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Related: 42/30-10/6 21/30-20/6 21/60-10/6 21/30-10/12 63/30-10/6 21/30-30/6 21/90-10/6 21/30-10/18 21/30-50/6 21/30-10/30 21/30-70/6 21/30-10/42
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