Help me please! Happy Saint Patrick’s day btw

Answer:
Wrong subject btw....
Answer to #10:
To write 18 as a fraction with a common denominator, multiply by 99
18⋅99+19
To write 19
as a fraction with a common denominator, multiply by 88
18⋅99+19⋅88
Write each expression with a common denominator of 72
by multiplying each by an appropriate factor of 1
Tap for more steps...
972+872
Combine the numerators over the common denominator.
9+872
Add 9
and 8
1 7/72
answer to #11:
Exact Form:
47/30
Decimal Form:
1.5¯6
Mixed Number Form:
1 17/30
The result can be shown in multiple forms.
Exact Form:
1772
#13:
Exact Form:
2/35
Decimal Form:
0.0571428
#14:
Exact Form:
5/27
Decimal Form:
0.185
#15:
Exact Form:
25
Decimal Form:
0.4
#16:
Exact Form:
14/11
Decimal Form:
1.27
Mixed Number Form:
1311
#17:
Exact Form:
34
Decimal Form:
0.75
Explanation:
Hope this helps
-A Helping Friend