Solutions by everydaycalculation.com
1st number: 16/20, 2nd number: 3 3/20
1620 + 6320 is 7920.
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Related: 32/20+63/20 16/40+63/20 16/20+63/40 48/20+63/20 16/60+63/20 16/20+63/60 80/20+63/20
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