Solutions by everydaycalculation.com
1st number: 1 12/30, 2nd number: 16/30
4230 - 1630 is 1315.
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Related: 84/30-16/30 42/30-32/30 42/60-16/30 42/30-16/60 42/30-48/30 42/90-16/30 42/30-16/90 42/30-80/30
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