Me with fractions. 9 8/13 + 9/16 = ? 7 8/12 - 8 5/7 = ?

Hello there. Lets start solving your problems.

For the first one, its 9 8/13 + 9/16 so
= 125/13 + 9/16
= 2117/208
= 10 37/208 is the answer. (In decimal form its 10.17788)

For the second one its 7 8/12 - 8 5/7 so
= 7 2/3 - 8 5/7
= 23/3 - 8 5/7
= 23/3 - 61/7
= -22/21
= 1 1/21 is the answer. (In decimal form its 1.047619)