Solutions by everydaycalculation.com
1st number: 1 1/20, 2nd number: 14/20
2120 - 1420 is 720.
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Related: 42/20-14/20 21/20-28/20 21/40-14/20 21/20-14/40 63/20-14/20 21/20-42/20 21/60-14/20 21/20-14/60 21/20-70/20 21/20-98/20
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