Solutions by everydaycalculation.com
1st number: 1 4/20, 2nd number: 4 10/20
2420 - 9020 is -3310.
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Related: 48/20-90/20 24/40-90/20 24/20-90/40 72/20-90/20 24/60-90/20 24/20-90/60
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