Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Get the least common denominator first for them to be similar and then look up if the signs are similar. if the signs are both positive, it'll be positive. if the signs are negative, it should be negative but if the signs are not the same, get the sign with the bigger value. 

Remember. in subtracting, don't forget the additive inverse of the subtrahend and then proceed to addition.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts