Solutions by everydaycalculation.com
1st number: 1 2/6, 2nd number: 14/21
86 + 1421 is 21.
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Related: 16/6+14/21 8/6+28/21 8/12+14/21 8/6+14/42 24/6+14/21 8/6+42/21 8/18+14/21 8/6+14/63 40/6+14/21 8/6+70/21 8/30+14/21 56/6+14/21 8/6+98/21 8/42+14/21
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