Math
posted by Riley .
What is 1/7 multiplied by 2/4 divided by 2/9 added by 5/6 subtracted by 3/5?

I read that as:
(1/7)(2/4)รท(2/9) + 5/6  3/5
= (1/7)(1/2)(9/2) + 25/30  18/30
= 9/28 + 7/30
= 135/420 + 98/420
= 233/420
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