Question

15 2/5 *1 5/7+6 10/2* 3 3/8

Answer 1

15 2/5*1 5/7+6 10/27*3 3/8=77/5*12/7 + 172/27*27/8=26,4+21,5=47,9

 

15 4/7-4 3/8*(1 3/7-34/35)=15 4/7-35/8*16/35=15 4/7-2=13 4/7