Solutions by everydaycalculation.com
1st number: 21/50, 2nd number: 1 8/10
2150 - 1810 is -6950.
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Related: 42/50-18/10 21/50-36/10 21/50-18/20 63/50-18/10 21/50-54/10 21/50-18/30 21/50-90/10 21/50-18/50 21/50-18/70
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