Răspuns :
x+2/5 +1/25 = 25x+10+1 / 25 = 25x+11 / 25 sau daca distribuim numitorul =
x+11/25.
x+11/25.
x+2/5+1/25= aducem la acelasi numitor...25 =25x/25+10/25+1/25=25x/25+11/25