Сократите дроби 6*21/49*21, 5*27/18*10, 3*10*49/5*12*21

Question

Сократите дроби 6*21/49*21, 5*27/18*10, 3*10*49/5*12*21

Answer 1

6×21/49×21=6/49
5×27/18×10=3/4
3×10×49/5×12×21=7/6=1 1/6