Question

7/9 × 2/5 ; 14/15 × 10/49 ; 4/15 : 2/5 помогите пж

Answer 1

7/9  *  2/5 =  14/45
14/15  *  10/49 = 140/735= 4/21
4/15  :  2/5 = 4/15  *  5/2 =  20/30=2/3