Rational numbers can be written as a fraction
4/5-3/7. First they need the same denominater: 4/5(7)=28/35, 3/7(5)=15/35. 28/35-15/35. Now subtract numerators: 28-15=13. So your answer H. 13/35 :)
Hi,
Solving:

Answer: 1
Hope this helps.
If you have any questions about the answer comment below and I'll reply.
r3t40