The factors of 21 are 1, 3, 7, and 21. The factors of 49 are 1, 7, and 49.
7 (7 x 3= 21, 7 x 7=49)
21
The greatest common factor of 21 and 49 is 7.21 = 3 x 7, 49 = 7 x 7 so GCF = 7.
The GCF is 7.
LCD(49, 21) = 147
It is: 294 which is the same as its LCM
21
21
21/49 = 3/7
the factors of 21 are 3,7,1, 21,and -1, -21,-3,-7. the factors of 49 are 1,49,7,7 and -1, -21-7-7.
Factors or 21 are: 1 3 7 21 Factors or 49 are: 1 7 49 Common factors of 21 and 49 are: 1 and 7
The factors of 21 are 1, 3, 7, and 21. The factors of 49 are 1, 7, and 49.
49
The LCD is 9.
49 x 2 = 98 14 x 7 = 98 98 is the LCD
21 over 49 in lowest terms is 3/7