Solutions by everydaycalculation.com
1st number: 18 0/3, 2nd number: 8/9
543 + 89 is 1709.
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Related: 54/3+16/9 54/6+8/9 54/3+8/18 54/3+24/9 54/9+8/9 54/3+8/27 54/3+40/9 54/15+8/9 54/3+8/45 54/3+56/9 54/21+8/9 54/3+8/63
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