Answer:
13/20
Step-by-step explanation:
1. First you have to find the least common denominator (which in this case it's 20)
2. Then multiply the denominator of each fraction by the number required to get to 20 and then do the same for the numerator. ( for 6/10 you multiply both by 2, for 1/5 you multiply both by 4 and for 1/5 you multiply both by 4.
3. This gives you the new fractions of 6/10=12/20, 1/5= 4/20 and 1/4= 5/20.
4. Now that they share a common denominator it's easy. Do 12-4 to get 8, and then add 5 to get 13. Put that number over your denominator and there's your answer.
so your answer is 13/20!
