The Greatest Common Divisor of 21, 189 is 21.
9
4/21 x 9/9 = 36/189 2/9 x 21/21 = 42/189 36/189 + 42/189 = 78/189 = 26/63
210 - 189 = 21
9
189, for one.
21
21 goes into 126 6times 21 goes into 189 9times gcf =21
GCF(147, 189) = 21.
189 divided by 9 is 21.
The LCM is 189.
The LCM is 189.