The GCF is 5.
10x5
50
the factor tree for 70 is 70 ^ 10X5 ^ 5X2 SO IT WOULD BE 52
50 ^ 10x5 ^ l 2x5x5 PF:2x5x5
Least Common Multiple (LCM) for 50 120 is 600.
50
50
50
10x5
1, 2, 5, 10, 25.
You can get 50 dimes out of $5. (10x5=50) simple math...
5/50 = (1x5)/(10x5) = 1/10