Solutions by everydaycalculation.com
1st number: 5 1/3, 2nd number: 8/9
163 + 89 is 569.
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Related: 32/3+8/9 16/3+16/9 16/6+8/9 16/3+8/18 48/3+8/9 16/3+24/9 16/9+8/9 16/3+8/27 80/3+8/9 16/3+40/9 16/15+8/9 16/3+8/45 16/3+56/9 16/21+8/9 16/3+8/63
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