(3/16+a)-3/8,a=5/12;

Question

(3/16+a)-3/8,a=5/12;

Answer 1

(3/16 + а) - 3/8 = ? , при а= 5/12
(3/16 + а) - 3/8 = 3/16 + а - 3/8 = 3/16 + а - 6/16 = а - 3/16
подставим а:
= 5/12 - 3/16 = 20/48 - 9/48 = 11/48