LCM of 70 and 45 is 630.
LCM = 70 GCF = 7
The GCF is 5.
GCF: 7 LCM: 210
If that's really 4270 and 84, the GCF is 14 and the LCM is 25620. If that's 42, 70 and 84, the GCF is 14 and the LCM is 420.
LCM of 70 and 45 is 630.
840 and 70, respectively.
LCM = 70 GCF = 7
The GCF is 5.
10 and 210, respectively.
10 and 140, respectively.
GCF: 7 LCM: 210
5 and 210, respectively.
The GCF is 5.
If that's really 4270 and 84, the GCF is 14 and the LCM is 25620. If that's 42, 70 and 84, the GCF is 14 and the LCM is 420.
630
1260