The common denominator of 7 and 9 is 63. In order to find the common denominator of two numbers, you need to find the least common multiple (LCM) of the denominators. The LCM of 7 and 9 is 63, so that is the common denominator for these two numbers.
A common denominator is 7.A common denominator is 7.A common denominator is 7.A common denominator is 7.
The least common denominator (LCD) is 630.
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It is: 630
the common denominator for 9/8 and 7/20 is 40. (45/40 and 14/40)
A common denominator is 7.A common denominator is 7.A common denominator is 7.A common denominator is 7.
A common denominator, though not the least, is 63000.
693
504
315
It is: 63
9
The least common denominator (LCD) is 630.
63 is the lowest common denominator of 7 and 9 7 x 9 = 63 9 x 7 = 63
315.
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