8 1/2 (eight and a half) is seventeen over two expressed as a mixed number.
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If you divide 17 by three you get 5 with two left over so it's 5 2/3
(5 and one over two) x (seventeen over twenty two) is (5 and 1/2) x (17/22) and is (11/2) x (17/22) which is 17/4 = 4 and 1/4
Expressed as a decimal, this is equal to 1.468. Expressed as a mixed number, this is equal to 1 117/250 or one and one hundred and seventeen two hundred and fiftieths.
Twenty two over ten is simply this mixed number: 2 and 2/10 or reduced it is 2 and 1/5.
Two and one over nine.