x- 3/4=4/14-2/32
Amplificam fractia 4/14 cu 32 si fractia 2/32 cu 14
x-3/4=128/448-28/448
x-3/4=100/448
x=3/4+100/448
Amplificam fractia 3/4 cu 448 si fractia 100/448 cu 4
x=1344/1792+400/1792
x=1744/1792
Simplificam fractia 1744/1792 prin 4
x=436/448
Simplificam fractia 436/448 prin 4
x=109/112
