Question

find the following sums​

Answer 1

Answer:

5/12+3/-16+7/-8

=5/12-3/16-7/8

=5×4/12×4-3×3/16×3-7×6/8×6

=20/48-9/48-42/48

=(20-9-42)/48

=(20-51)/48

= -31/48

Answer 2

=5/12+(3/-16)+(7/-8)

=5/12-3/16-7/8

=20-9-42/48

= -31/48