Question

three upon four plus minus three upon five​

Answer 1

Answer:

i dont know the answer sorry

Answer 2

Answer:

the answer can be 27/20 or 3/20

Step-by-step explanation:

3/4+3/5 =3(1/4+1/5)=3(9/20)=27/20

3/4-3/5=3(1/4-1/5)=3(1/20)=3/20