Solutions by everydaycalculation.com
1st number: 16/45, 2nd number: 3 3/9
1645 - 309 is -13445.
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Related: 32/45-30/9 16/45-60/9 16/90-30/9 16/45-30/18 48/45-30/9 16/45-90/9 16/45-30/27 80/45-30/9 16/45-30/45 16/45-30/63
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