Question

(-7/18×15/(-7))-(1×(1/4)) + (1/2×1/4)

Answer 1

(-7/8×15/(-7))-1×(1/4))+(1/2+1/4)
=15/18-1/4+1/8
=5/6-1/4+1/8
=20-6+3/24
=23-6/24
=7/24

Answer 2

is that your answer ....I think it solved