Solutions by everydaycalculation.com
728 + 228 is 928.
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Related: 14/28+2/28 7/28+4/28 7/56+2/28 7/28+2/56 21/28+2/28 7/28+6/28 7/84+2/28 7/28+2/84 35/28+2/28 7/28+10/28 49/28+2/28 7/28+14/28
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