Solutions by everydaycalculation.com
1st number: 1 1/7, 2nd number: 8/9
87 + 89 is 12863.
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Related: 16/7+8/9 8/7+16/9 8/14+8/9 8/7+8/18 24/7+8/9 8/7+24/9 8/21+8/9 8/7+8/27 40/7+8/9 8/7+40/9 8/35+8/9 8/7+8/45 56/7+8/9 8/7+56/9 8/49+8/9 8/7+8/63
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