Solutions by everydaycalculation.com
1st number: 1 8/10, 2nd number: 1 3/15
1810 + 1815 is 31.
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Related: 36/10+18/15 18/10+36/15 18/20+18/15 18/10+18/30 54/10+18/15 18/10+54/15 18/30+18/15 18/10+18/45 90/10+18/15 18/10+90/15 18/50+18/15 18/10+18/75 18/70+18/15
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