Solutions by everydaycalculation.com
1st number: 1 15/20, 2nd number: 14/20
3520 + 1420 is 4920.
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Related: 70/20+14/20 35/20+28/20 35/40+14/20 35/20+14/40 35/20+42/20 35/60+14/20 35/20+14/60 35/20+70/20 35/20+98/20
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