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

Question

3665 views around the world

You can reuse this answer
Creative Commons License

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#