Solutions by everydaycalculation.com
1st number: 2 1/10, 2nd number: 2 9/20
2110 - 4920 is -720.
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Related: 42/10-49/20 21/10-98/20 21/20-49/20 21/10-49/40 63/10-49/20 21/30-49/20 21/10-49/60 21/50-49/20 21/70-49/20
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