Answer:
hi there
Step-by-step explanation:
the 15 and 20
15: (15,30,45,<em><u>60,</u></em>75,90,105,<u><em>120</em></u>,135)
20:(20,40,<u><em>60</em></u>,80,100,<em><u>120</u></em>,)
(15,20) LCM=60
_________________
4 and 12
4:(8, <u><em>12</em></u>, 16,)
12: (0, <u><em>12</em></u>, 24)
(4,12) LCM=12
__________
5 and 11
5:(50,<u><em> 55</em></u>, 60)
11: (44, <em><u>55,</u></em> 66,)
(5,11) LCM=55
i hope this helps you out
Have a great morning
FaithRawlins14