Task 2 and 3 Lang po pls

Answer:
task 2:
1.1
2.25
3.32
4.27
5.1
6.8
7.46
8.28
note:pls do step by step and study hard
explaination:
task 2:
13/4:
13÷4
sol:
4×1=4
4×2=8
4×3=12 <-------- answer
4×4=16 <-------- SOBRA
then:13÷4=3 r.1
so:
1 while and 3/4
task 3:
3 whole and 4/7
7×3+4=21+4=25
answer:25/7