It is: 294 which is the same as its LCM
49 x 2 = 98 14 x 7 = 98 98 is the LCD
147.
LCD(49, 21) = 147
77-49=28÷2=〔14〕 21+14=35 35+14=49 49+14=63 63+14=77
The greatest common factor of 14, 21 and 49 is 7.
294
1
The LCD is 9.
7
7
49
1 and 7