Solutions by everydaycalculation.com
1st number: 6 4/10, 2nd number: 4 5/10
6410 - 4510 is 1910.
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Related: 64/10-90/10 64/20-45/10 64/10-45/20 64/30-45/10 64/10-45/30 64/50-45/10 64/10-45/50 64/70-45/10 64/10-45/70
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