Write all the common multiples of 7 and 5 from 1 to 100.
Multiples of 7 from 1 to 100 are: 7,14,21,28,35,42,49,56,63,70,77,84,91, and98.
Similarly, the multiples of 5 from 1 to 100 are: 5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,and 100
Therefore, the common multiples of 7 and 5 from 1 to 100 are 35 and70.