5/7, 1/2, 3/5
LCM is 70
The LCD of 2/7 and 4/5 is 35.
4/7 and 3/5 have an LCD of 35 since they 7 and 5 have no common factors.
The least common denominator of 9 tenths and one forty fifths is 10.
21
28
Fourteenths (eight and seven)
60
15
30 just30
the least common denominator of three fifths and two fifteenths and one sixth is 30. you multiply 15 by two, 6 by five, and 3 by ten.
The LCD of 2/3 and 4/5 is 15.
The least common denominator for those fractions is 60.