Solutions by everydaycalculation.com
1st number: 2 9/20, 2nd number: 2 8/10
4920 - 2810 is -720.
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Related: 98/20-28/10 49/20-56/10 49/40-28/10 49/20-28/20 49/20-84/10 49/60-28/10 49/20-28/30 49/20-28/50 49/20-28/70
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