Question

Help me please !! I'm panicking please help​

Answer 1

first, find a common denominator. 5x2=10
next, multiply 3x2, and 1x5 across from each other, so you should get 6/10 and 5/10
add them together (6/10+5/10=11/10)
subtract 11/10 from 3, or 1 1/10 from 3
the answer should be 1 9/10 km

Answer 2

1 9/10 is your answer. convert given denomenators