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84
This question is asking for the Lowest Common Multiple (LCM) - also called the Least Common Denominator (LCD).
Generally, you can find the LCM of 2 of the numbers, then find the LCM of that number with the third.
Since 3 and 7 are both prime, their LCM is 3x7=21. To find the LCM of 21 and 12, make a list of their multiples until you find a number common to both lists:
12: 12. 24, 36, 48, 60, 72, 84, ...
21: 21, 42, 63, 84, ...
What else can I help you with?
What is 3 over 7 as a whole number?
3 over 7 is a fraction and is not equivalent to a whole number.
What number can 3 and 5and 7 go into?
105
What is the quotient of 84 and 7?
12
What is third of 36?
the answer is 12, you just have to divide the number by 3.
How much can 12 go into 55?
4 with 7 remaining 55 - 7 = 48 = 12 x 4
What number does 5 7 and 3 go in to?
5, 7, and 3 go into 105.
What number is a prime factor of both 12 and 21?
'3' 3 x 4 = 12 3 x 7 = 21 NB '7' is also a prime number.
What number does 4 7 and 12 go into?
84
What number does 8 12 and 7 go into?
672
What number added to 7 and 3 makes 12?
The number 2.
How many number can go into 84?
12: 1 2 3 4 6 7 12 14 21 28 42 84.
What could go into 21?
To find what the factors of a number are you can list the factor pairs: 1 x 21 3 x 7 The factors of 21 are 1, 3, 7, and 21.
What is 3 over 7 as a whole number?
3 over 7 is a fraction and is not equivalent to a whole number.
What number does 3 and 7 go into?
21
How many times does 12 go into 87?
7 with 3 remaining 87 - 3 = 84 = 12 x 7
What number does 12 7 and 9 go into evenly?
It is: 252
What number does 12 4 8 7 go into?
6
