Solutions by everydaycalculation.com
1st number: 15/20, 2nd number: 1 12/20
1520 + 3220 is 4720.
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Related: 30/20+32/20 15/20+64/20 15/40+32/20 15/20+32/40 45/20+32/20 15/20+96/20 15/60+32/20 15/20+32/60 75/20+32/20
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