Question

(15 13-8 518) ×2 47÷6 121-2 58

Answer 1

(15 13-8 518) ×2 47÷6 121-2 58=3/8
1. 15 6/18-8 5/18=7 1/18
2.  127/18*18/7=127/7=18 1/7
3.   127/7*21/127=3
4.   3- 2 5/8=3/8