Răspuns:
Explicație pas cu pas:
Numarator< 400
Numarator= 2 numitor+28
Numitor= 10=> numarator= 48
Fractia ar fi 48/10
Numitor=35=> numarator= 70+28=98
Fractia 98/35
Numitor=107=> numarator=214+28=242
Fractia 242/107
Numitor 150=> numarator=300+28=328
Fractia 328/150
Numitor: 56=> numarator=112+28=140
Fractia 140/56
Numitor 89=> numarator=178+28=206
Fractia 206/89
Numitor 163=> numarator=326+28=354
Fractia 354/163
Numitor 77=> numarator= 154+28=182
Fractia 182/77
Numitor 185=> numarator=370+ 28=398
Fractia 398/185
Numitor 90=> numarator = 180+28=208
Fractia 208/90
