Question

Find the reciprocal of -2/3 ×1/7+ 3/4 ÷ 2/5 × 1/3​

Answer 1

Answer:

21/13

Step-by-step explanation:

1. -2/3 x 1/7 + (3/4) / (2/5) x 1/3
2. -2/3 x 1/7 + 3/4 x 5/2 x 1/3
3. -2/3 x 1/7 + 15/8 x 1/3
4. -2/21 + 5/8              LCM OF 8 & 21 = 42
5. (-2*2 + 5*6)/42
6. ( -4 + 30)/42
7. 26/42

Reciprocal of 26/42 = 42/26

1. 42/26=21/13