Solutions by everydaycalculation.com
1st number: 1 5/10, 2nd number: 2 0/10
1510 + 2010 is 72.
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Related: 30/10+20/10 15/10+40/10 15/20+20/10 45/10+20/10 15/10+60/10 15/30+20/10 15/10+20/30 75/10+20/10 15/50+20/10 15/10+20/50 15/70+20/10 15/10+20/70
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