Question

- 3/8+2 5/12
7+ (-5/19)
7 5/12+(4 7/9)
-8 1/8+4,7

Answer 1

-9/24+50/24=41/24=1 17/24
133/19-5/19=128/19=6 14/19
225/36+172/36=397/36=11 1/336
-81/8+4 7/10=-81/8+47/10=-405/40+188/40=217/40=5 17/40