Solutions by everydaycalculation.com
1st number: 1 12/30, 2nd number: 1/30
4230 - 130 is 4130.
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Related: 84/30-1/30 42/30-2/30 42/60-1/30 42/30-1/60 42/30-3/30 42/90-1/30 42/30-1/90 42/30-5/30 42/30-7/30
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