
Solution:
Given expression is
.
To simplify the expression 
Let us first convert the mixed fraction into improper fraction.



Take LCM for the denominators (LCM of 4, 8 = 8) and make the same.



Now, divide 51 by 8 and again write it in the mixed fraction.


Hence, the simplified answer is
.
Answer:
it is per 1
Step-by-step explanation:
You can say 4x + 7x = 33, so 11x=33, so x=3.
The groups will be sized 4*3=12 and 7*3=21.
We need a problem or a question
Answer:
1, 3, 7, 21
Step by step explanation: