Solutions by everydaycalculation.com
1st number: 4/10, 2nd number: 1 5/20
410 + 2520 is 3320.
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Related: 8/10+25/20 4/10+50/20 4/20+25/20 4/10+25/40 12/10+25/20 4/10+75/20 4/30+25/20 4/10+25/60 20/10+25/20 4/50+25/20 28/10+25/20 4/70+25/20
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