Solutions by everydaycalculation.com
1st number: 4 0/4, 2nd number: 9/20
164 - 920 is 7120.
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Related: 32/4-9/20 16/4-18/20 16/8-9/20 16/4-9/40 48/4-9/20 16/4-27/20 16/12-9/20 16/4-9/60 80/4-9/20 16/4-45/20 16/20-9/20 16/4-63/20 16/28-9/20
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