Solutions by everydaycalculation.com
1st number: 1/50, 2nd number: 1 8/10
150 - 1810 is -8950.
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Related: 2/50-18/10 1/50-36/10 1/50-18/20 3/50-18/10 1/50-54/10 1/50-18/30 5/50-18/10 1/50-90/10 1/50-18/50 7/50-18/10 1/50-18/70
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