Solutions by everydaycalculation.com
1st number: 12/30, 2nd number: 2 4/30
1230 + 6430 is 3815.
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Related: 24/30+64/30 12/60+64/30 12/30+64/60 36/30+64/30 12/90+64/30 12/30+64/90 60/30+64/30 84/30+64/30
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