<span>name: quarter turn
rev: 1/4
<span>degrees: 90°</span></span>
The reason for that is if u were to make 4/6 and 2/10 have the same denominator which would be 40/60 and 12/60 40 is greater than 12 and that fraction is equivalent to 4/6
The expression equivalent to 1/36 are :-

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