Question

फाइंड द वैल्यू ऑफ फॉलोइंग राशनल नंबर्स :
1. -1/5-4/7-5/21.
2. 7/8-11/12+4/15.
3. -2/3+4/9-(-5/6).
4. 4/3+3/5+(-2/3)+(-11/5).
please tell step by step method....​

Answer 1

Answer:

sorry I didn't know the answer