help answer all of thi for brainliest answer (part1)
Answer:
6/7 - 3/7= 3/7
10/12+1/3= 1 1/6
4/7+12/21=1 1/7
2/3+5/15=1
Step-by-step explanation:
I hope this is right. If not them go to fraction calculator. Its will help you next time.