It is 168
3: 3 28: 7, 2, 2 21: 7, 3 LCM = 3x7x4 = 84
The Least Common Multiple (LCM) for 3 21 is 21.
The LCM is: 168
multiples for 3: 3, 6, 9, 12, 15, 18, 21, 24 multiples for 8: 8, 16, 24 The least common multiple is 24
21
3: 3 28: 7, 2, 2 21: 7, 3 LCM = 3x7x4 = 84
168
The LCM is 168.
The LCM is 168.
The Least Common Multiple (LCM) for 3 21 is 21.
The LCM of 3 and 21 is 21
The LCM is 252.
The LCM is: 168
To find the Least Common Multiple (LCM) of 7, 3, and 21, we first need to identify the prime factors of each number. The prime factors of 7 are 7, of 3 are 3, and of 21 are 3 and 7. Then, we take the highest power of each prime factor that appears in any of the numbers. In this case, the LCM of 7, 3, and 21 is 21, as it includes the highest power of both 7 and 3.
2/3 + 5/7 (the common denominator is 21, the LCM of 3 and 7) = 2*7/3*7 + 5*3/7*3 = 14/21 + 15/21 = (14 + 15)/21 = 29/21 = (21 + 8)/21 = 21/21 + 8/21 = 1 + 8/21 = 1 8/21
LCM OF 9,3 AND 21 IS 63. CHECK FOR YOURSELF IF YOU ARE NOT SURE.
multiples for 3: 3, 6, 9, 12, 15, 18, 21, 24 multiples for 8: 8, 16, 24 The least common multiple is 24