Solutions by everydaycalculation.com
1420 - 18 is 2340.
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Related: 28/20-1/8 14/20-2/8 14/40-1/8 14/20-1/16 42/20-1/8 14/20-3/8 14/60-1/8 14/20-1/24 70/20-1/8 14/20-5/8 14/20-1/40 98/20-1/8 14/20-7/8 14/20-1/56
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