# What’s the least common denominator of 9 and 7?

The least common denominator, also called lowest common denominator (LCD), of 9 and 7 is 63.

Further detail about this can be seen here. Herein, what is the least common denominator for 7 and 9?

63

Beside above, what is the LCM of 7 911? 765765

In respect to this, what do both 7 and 9 go into?

Second, 8, 7, and 9 all together go into more than one number. Maybe finding just one number that fits would be enough. The easiest answer is 8(7)(9) = 504. Since 8, 7, and 9 have no common factors, 504 is the lowest positive number that fits.

## Do 9 and 7 have a common multiple?

Explanation: 7and9 have no common factor (apart from 1 ). Therefore the LCM must contain the whole 7 and the whole 9 .

What is the LCM of 9 and 12?

The LCM of 9 and 12 is thirty-six.

84

### What is the LCD of 4 and 8?

The least common denominator, also called lowest common denominator (LCD), of 4 and 8 is 8.

42

12

### What are the common multiples of 4 and 7?

4: 4,8,12,16,20,24,28,32,36,40,44,48,52,56 7: 7,14,21,28,35,42,49,56,63,70,77 Then you find the first number which 4 and 7 have in common. 4 and 7 have 28 and 56 in common BUT the LCM would be 28 since that’s the LEAST common, or the smallest number that they would have in common.

72

24

### Is 72 a perfect square?

Is 72 a perfect square number? A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 72 is about 8.485. Thus, the square root of 72 is not an integer, and therefore 72 is not a square number.

60

24

### What can go into 7?

The factors of 7. Answer : 1,7, Related Links : Is 7 a rational number?

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