Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 1 6/10
2120 - 1610 is -1120.
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Related: 42/20-16/10 21/20-32/10 21/40-16/10 21/20-16/20 63/20-16/10 21/20-48/10 21/60-16/10 21/20-16/30 21/20-80/10 21/20-16/50 21/20-16/70
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