Question

12/5 x 1/18 = , 2/9 x 3/10 = , 11/45 x 25/22 = , 13/14 x 49/26 =
3 x 2/7 x 2 x 1/3 = , 3 x 2/3 x 2 x 1/2 x 6 =
/ - linie de fractie
x - inmultire

Answer 1

12/5x1/18=12/90=6/45
2/9x3/10=6/90=3/45
11/45x25/22=275/990=55/198
13/14x49/26=637/364

sucees