Answer:
b
Step-by-step explanation:
I believe its b, because1.5 is 10 times 0.15
and 6.3 is 10 times 0.63
Im thinking it whould be c
Answer:
15
Step-by-step explanation:
Hello!

First you had to used apply rule -(-b)=b

Since the denominators are equal to it should be combine by the fractions.

Then add 4+2=6


Finally you had to cancel by the common factor of 3.

Hope this helps! And thank you for posting at here on Brainly. And have a great day! -Charlie :)