How much does (minus three and seven thirds) + (minus sixteen and four seventh) equal?

How much does (minus three and seven thirds) + (minus sixteen and four seventh) equal?

(- 3 and 3 / 7) + (- 16 and 4 / 7)
=-3 and 3 / 7-16 and 4 / 7
=-20

(- 1) × (1 / 2) × (1 / 3) × How much is × (minus 1 / 2011)_____ ★ ★ ★ ★ ★ ★ ★ ★
______ It's better to have steps and explanations

Original = (- 1) ^ 2011 / 2011! = - 1 / 2011!

How much is 32 degrees 16'25 "multiplied by 4?

As long as you know it's 60 base, it's OK
25 seconds multiplied by 4 is 100 seconds, written as one minute and forty seconds
16 points multiplied by 4 is 64 points, which should be written as one degree four points
32 degrees multiplied by 4 is 128 degrees
Add the three: 129 degrees, 5 minutes, 40 seconds

What is 32 degrees 16 '* 4-78 degrees 25'

32°16'*4-78°25’
=32°*4+16'*4-78°-25’
=128°-78°+64’-25’
=50°39’
If more than 60 carry, less than 60 borrow