3/5 + 4/9 find the sum answer with supporting work.

answer:

first 3/5+4/9=27/45 by doing 5x9=45 then 3x9=27 next do 4x5=20/45

second add (only the numerators the top numbers) 27/45+20/45=47/45

third mixed numbers 47 can go into 45 1 time then the left over 2 will be the numerator so its 1 2/45

last add the -1 2/45

answer: -1 2/45 hope this

step-by-step explanation: