Solutions by everydaycalculation.com
1st number: 4 2/3, 2nd number: 9/15
143 + 915 is 7915.
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Related: 28/3+9/15 14/3+18/15 14/6+9/15 14/3+9/30 42/3+9/15 14/3+27/15 14/9+9/15 14/3+9/45 70/3+9/15 14/3+45/15 14/15+9/15 14/3+9/75 98/3+9/15 14/3+63/15 14/21+9/15
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