Solutions by everydaycalculation.com
1st number: 1 3/12, 2nd number: 4/10
1512 - 410 is 1720.
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Related: 30/12-4/10 15/12-8/10 15/24-4/10 15/12-4/20 45/12-4/10 15/12-12/10 15/36-4/10 15/12-4/30 75/12-4/10 15/12-20/10 15/60-4/10 15/12-4/50 15/12-28/10 15/84-4/10 15/12-4/70
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