Solutions by everydaycalculation.com
1st number: 6/30, 2nd number: 1 12/30
630 + 4230 is 85.
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Related: 12/30+42/30 6/30+84/30 6/60+42/30 6/30+42/60 18/30+42/30 6/90+42/30 6/30+42/90 42/30+42/30
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