Solutions by everydaycalculation.com
1st number: 1/20, 2nd number: 10 0/5
120 - 505 is -19920.
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Related: 2/20-50/5 1/40-50/5 1/20-50/10 3/20-50/5 1/60-50/5 1/20-50/15 5/20-50/5 1/20-50/25 7/20-50/5 1/20-50/35
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