Solutions by everydaycalculation.com
1st number: 18/30, 2nd number: 1 5/30
1830 + 3530 is 5330.
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Related: 36/30+35/30 18/30+70/30 18/60+35/30 18/30+35/60 54/30+35/30 18/90+35/30 18/30+35/90 90/30+35/30
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