Solutions by everydaycalculation.com
1st number: 3 0/5, 2nd number: 7/20
155 + 720 is 6720.
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Related: 30/5+7/20 15/5+14/20 15/10+7/20 15/5+7/40 45/5+7/20 15/5+21/20 15/5+7/60 75/5+7/20 15/5+35/20 15/25+7/20 15/5+49/20 15/35+7/20
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