Solutions by everydaycalculation.com
1st number: 2 0/18, 2nd number: 16/18
3618 - 1618 is 109.
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Related: 72/18-16/18 36/18-32/18 36/18-16/36 36/18-48/18 36/54-16/18 36/18-16/54 36/18-80/18 36/90-16/18 36/18-16/90
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