Solutions by everydaycalculation.com
78 - 58 is 14.
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Related: 14/8-5/8 7/8-10/8 7/16-5/8 7/8-5/16 21/8-5/8 7/8-15/8 7/24-5/8 7/8-5/24 35/8-5/8 7/8-25/8 7/40-5/8 7/8-5/40 49/8-5/8 7/8-35/8 7/56-5/8 7/8-5/56
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