Answer:
4 -9/20
Step-by-step explanation:
separate whole numbers and fractions: 9-5, 3/10 - 3/4
then you subtract the whole numbers: 4
after that (what i mostly use that is easy for me is cross multiplication/ Butterfly method)
12 - 30
3 - 3 = -18 = -9
10 4 40 20
