Solutions by everydaycalculation.com
1st number: 1 1/15, 2nd number: 1 9/15
1615 + 2415 is 83.
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Related: 32/15+24/15 16/15+48/15 16/30+24/15 16/15+24/30 48/15+24/15 16/15+72/15 16/45+24/15 16/15+24/45 80/15+24/15 16/75+24/15 16/15+24/75
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