Solutions by everydaycalculation.com
1st number: 1/2, 2nd number: 6 6/7
12 - 487 is -8914.
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Related: 1/2-96/7 1/4-48/7 1/2-48/14 3/2-48/7 1/6-48/7 1/2-48/21 5/2-48/7 1/10-48/7 1/2-48/35 7/2-48/7 1/14-48/7 1/2-48/49
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