Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 4 0/4
2120 - 164 is -5920.
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Related: 42/20-16/4 21/20-32/4 21/40-16/4 21/20-16/8 63/20-16/4 21/20-48/4 21/60-16/4 21/20-16/12 21/20-80/4 21/20-16/20 21/20-16/28
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