Subtract. Simplify,If possible.
(d-2)/(15) - (d+9)/(3)
Thank You :)
Getting a common denominator of 15 on the last fraction, we have
(d - 2) / 15 - [ 5( d + 9)] / 15 =
[ (d - 2) - 5 (d + 9) ] / 15 =
[ d - 2 - 5d - 45 ] / 15 =
[-6d - 47 ] / 15