9/25-2/15 Помогите плз

Question

9/25-2/15
Помогите плз

Answer 1

9/25- 2/15 = 9*3-2*5/75 = 27-10/75 = 17/75

Answer 2

9:25=5
2:15=0.1333333
5-0.1333333=4.866667