Solutions by everydaycalculation.com
1st number: 1/5, 2nd number: 3 5/10
15 - 3510 is -3310.
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Related: 2/5-35/10 1/5-70/10 1/10-35/10 1/5-35/20 3/5-35/10 1/15-35/10 1/5-35/30 1/25-35/10 1/5-35/50 7/5-35/10 1/35-35/10 1/5-35/70
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