Find the common denominator between 2/3 and 4/5 which is 15.
It will look like this:
(10-12)/15+y=1/3
Calculated:
-2/15+y=1/3
Then Add 2/15 to the other side:
Y=1/3+2/14
Again change the denominator of 1/3 to equal 15 but multiplying the whole fraction by 5.
Y= (5+2)/15
Y=7/15