Question

what should be added to (1/5+1/7)to get 1​

Answer 1

Step-by-step explanation:

$\frac{1}{5} + \frac{1}{7} + x = 1$

ʟᴄᴍ ᴏꜰ 5 ᴀɴᴅ 7 = 35

$\frac{7 + 1}{35} + x = 1$

$\frac{8}{35} + x = 1$

$8 + x = 1 \times 35$

$8 + x = 35$

$x = 35 - 8$

$x = 27$