The least common denominator of 7 and 49 is 49. You can find this by realizing that 7 goes into 49 without any remainder. This means that anything that is divisible by 49 without a remainder is divisible by 7 without any remainder. So since we want the least common denominator of 7 and 49, we just have 49, 49/49=1 and 49/7=7.
The LCD for 49 and 343 is 49. You divide these two number by 49 you get 1 and 7.
Find the prime factors of each, and multiply groupings of common factors, as well as individual, ungrouped factors, and you have the LCD (least common denominator): 35 = 5 * 7 49 = 7 * 7 LCD = 5 * 7 * 7 = 245 To get the GCF (greatest common factor), multiply groupings of common factors: GCF = 7
LCD(49, 72) = 3528
These numbers have no common factor (7 x 7 and 2 x 2 x 2 x 2 x 2 x 2) so LCD is 49 x 64 ie 3136.
LCD(7, 9, 2) = 126.
49 x 2 = 98 14 x 7 = 98 98 is the LCD
The LCD for 49 and 343 is 49. You divide these two number by 49 you get 1 and 7.
It is: 294 which is the same as its LCM
For 49,57: 2793 For 4/9, 5/7: 63
Find the prime factors of each, and multiply groupings of common factors, as well as individual, ungrouped factors, and you have the LCD (least common denominator): 35 = 5 * 7 49 = 7 * 7 LCD = 5 * 7 * 7 = 245 To get the GCF (greatest common factor), multiply groupings of common factors: GCF = 7
The LCD is 9.
294
4900
196
LCD(49, 21) = 147
147.
2205