Solutions by everydaycalculation.com
1st number: 1/20, 2nd number: 3 2/10
120 - 3210 is -6320.
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Related: 2/20-32/10 1/20-64/10 1/40-32/10 1/20-32/20 3/20-32/10 1/20-96/10 1/60-32/10 1/20-32/30 5/20-32/10 1/20-32/50 7/20-32/10 1/20-32/70
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