Question

hi please help me those who will answer first i will mark as brain list​

Answer 1

Answer:

1.4+1/2=9/2

2.3-3/9÷2=3-2/3=7/2

3.5+2/7÷2=5+1/7=36/7

4.4-3/36÷7=4-7/12=41÷12=3.42

therefore the final answer is 3.42

with steps from the bottom to the top

!!!plz mark me brainliest!!!