Answer:
12
Step-by-step explanation:
3/4 = 9/12
7/6 = 14/12
12 is a suitable common denominator for these fractions.
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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
5.09 times 15 equals 76.35
to find the permiter of the shapes add up all the sides
to find the area multiply one of the sides and another side
