Solutions by everydaycalculation.com
1st number: 1/5, 2nd number: 1 15/20
15 - 3520 is -3120.
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Related: 2/5-35/20 1/5-70/20 1/10-35/20 1/5-35/40 3/5-35/20 1/15-35/20 1/5-35/60 1/25-35/20 7/5-35/20 1/35-35/20
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