Solutions by everydaycalculation.com
1st number: 16/30, 2nd number: 11 1/4
1630 - 454 is -64360.
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Related: 32/30-45/4 16/30-90/4 16/60-45/4 16/30-45/8 48/30-45/4 16/90-45/4 16/30-45/12 80/30-45/4 16/30-45/20 16/30-45/28
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