Solutions by everydaycalculation.com
1st number: 1/20, 2nd number: 1 10/20
120 + 3020 is 3120.
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Related: 2/20+30/20 1/20+60/20 1/40+30/20 1/20+30/40 3/20+30/20 1/20+90/20 1/60+30/20 1/20+30/60 5/20+30/20 7/20+30/20
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