Solutions by everydaycalculation.com
1st number: 2 0/5, 2nd number: 3/20
105 + 320 is 4320.
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Related: 20/5+3/20 10/5+6/20 10/5+3/40 30/5+3/20 10/5+9/20 10/15+3/20 10/5+3/60 50/5+3/20 10/5+15/20 10/25+3/20 70/5+3/20 10/5+21/20 10/35+3/20
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