Solutions by everydaycalculation.com
1st number: 1 5/10, 2nd number: 1/20
1510 - 120 is 2920.
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Related: 30/10-1/20 15/10-2/20 15/20-1/20 15/10-1/40 45/10-1/20 15/10-3/20 15/30-1/20 15/10-1/60 75/10-1/20 15/10-5/20 15/50-1/20 15/10-7/20 15/70-1/20
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