Solutions by everydaycalculation.com
1st number: 1 1/7, 2nd number: 7/8
87 + 78 is 11356.
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Related: 16/7+7/8 8/7+14/8 8/14+7/8 8/7+7/16 24/7+7/8 8/7+21/8 8/21+7/8 8/7+7/24 40/7+7/8 8/7+35/8 8/35+7/8 8/7+7/40 56/7+7/8 8/7+49/8 8/49+7/8 8/7+7/56
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