Solutions by everydaycalculation.com
1st number: 21/30, 2nd number: 1 7/9
2130 - 169 is -9790.
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Related: 42/30-16/9 21/30-32/9 21/60-16/9 21/30-16/18 63/30-16/9 21/30-48/9 21/90-16/9 21/30-16/27 21/30-80/9 21/30-16/45 21/30-16/63
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