How do you add 5/6 - 8/9?

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Answer 1 · 2018-03-31T11:22:33

See explanation.

To add (or subtract) two fractions first you need to find a common denominator. Here the subtraction is:

#5/6-8/9#

The lowest common denominator is #18#:

#5/6-8/9=(5*3)/(6*3)-(8*2)/(9*2)=15/18-16/18=-1/18#