Answer:
29/30
Explanation:
First simply 6/20:
=3/10
Now we get the lcm, the lcm of 15 and 10 is 30 so now we will multiply the doniminator with a number to get 30 and also multiply the numinator with the same number as you multiplied the dominator with.
= 38/30 - 9/30
- = 29/30
