Answer:
12
Step-by-step explanation:
3/4 = 9/12
7/6 = 14/12
12 is a suitable common denominator for these fractions.
__
4 = 2·2
6 = 2·3
The common denominator must include all these factors (and no more than necessary), so must be ...
LCD = 2·2·3 = 12
D: -1/12
Its Option C
The difference is 180 - 135 = $45
So it is 45 * 100 / 135
= 33.33% greater