Question

simplify that also please

Answer 1

i) (3/7) * [(25+12)/45] -----taking LCM
=(3/7) * [37/45]
=37/(7*15)
=37/105

ii)(5/7) * (-14/15)
=(-2/3)

hope this helps!!

Answer 2

i)3/7[5/9+4/15]
first we have to do in brackets
3/7(75/135+36/135)
3/7(111/135)
111/315=37/105

ii)5/7(-14/15+0)
5/7(-14/15)
-70/105
-14/21
-2/3