Answer:
So the answer is 
Step-by-step explanation:
Given,
Using
four times and
one time getting to 
If we are write this way then easily get the answer;

Add together
by making a common denominator of
and also add
in the second set of parenthesis to yield 


(By Cross-reduce and multiply the fractions)

∴ 
Answer:
378
Step-by-step explanation:
12 x 18=216
9 x 9= 81
81 x 2= 162
162 + 216 = 378
5Answer:
Step-by-step explanation:
Answer:
6x+5x=407
11x=407
x=37
boys
Step-by-step explanation:
Answer: 1 2/7, 7/9,3/4
Step-by-step explanation: 9/7 you had to make a whole then make the fraction 2/7. 7/9 you literally just had to subtract 8-1 to gt 7 and because the denominator didn't need to change it so that makes it 7/9. And the last one 9/12 well 3 can go into 9 and 12 evenly. For 9 it goes in 3 times and for 12 it goes in 3 to any you get 3/4.