First of all i want to say please award brainliest answer
Anyway
Question 1:(fraction addition question)
3/8
Question 2:(subtraction of 57.15-35.48)
21.67
Question 3:(473-276)
197
Question 4:(355-159)
196
Question 4:(fraction multiplication0
30/30 which simplifies down to 3/10
Question 5:(91.15 times 63.48)
5786.202
Question 6:(12 divided by 53)
0.22641509434Question 7:(15 divided by 90)
0.16666666666
I really hope this helped for anymore information about how to do questions please ask. I will be happy to help!
Thanks