Solutions by everydaycalculation.com
1428 + 1028 is 67.
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Related: 14/28+20/28 14/56+10/28 14/28+10/56 42/28+10/28 14/28+30/28 14/84+10/28 14/28+10/84 70/28+10/28 14/28+50/28 98/28+10/28 14/28+70/28
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