Question

Q.18 (2/7 + 5/7) - 1/8 = plz tell me fast​

Answer 1

Here, we will subtract “ 6 ”from both numbers and after that we will add the numbers.

7 – 6 + 7 – 6 = 1+1=2

8 –6 + 8 –6 =2+2=4

8 –6 +5 –6 =2–1=1

6 –6 +9 –6 =0+3=3

10 –6 +11 –6 =4+5=9

4 –6 +9 –6 =-2+3=1

hence , 4+9 = 1

i hope this is very simple method to get answer…

and you will get it

Answer 2

$( \frac{2}{7} + \frac{5}{7} ) - \frac{1}{8} \\ \\ = \frac{7}{7} - \frac{1}{8} \\ \\ = 1 - \frac{1}{8} \\ \\ = \frac{8 - 1}{8} \\ \\ = \frac{7}{8}$

I hope this will be help you