Question

4-115*2 29 помогите!!!!!

Answer 1

4 - 1/15 * 2 2/9 = 3 23/27
1) 1/15 * 2 2/9 = 1/15 * 20/9 = 1/3 * 4/9 = 4/27
2) 4 - 4/27 = 3 27/27 - 4/27 = 3 23/27