Solve: 2/3a + 1/4b + 1/8c + 1/4a = ? | Fraction Expression

Question

23a+14b+18c+14a=? \frac{2}{3}a+\frac{1}{4}b+\frac{1}{8}c+\frac{1}{4}a=\text{?}

Video Solution

Step-by-Step Solution

To solve this algebraic expression problem, we proceed with the following steps:

  • Step 1: Identify the Like Terms
  • Step 2: Combine the Like Terms
  • Step 3: Present the Final Simplified Expression

Step 1: Identify the Like Terms:
The expression given is 23a+14b+18c+14a \frac{2}{3}a + \frac{1}{4}b + \frac{1}{8}c + \frac{1}{4}a . Notice that the terms 23a \frac{2}{3}a and 14a \frac{1}{4}a are like terms involving aa.

Step 2: Combine the Like Terms:
To combine 23a \frac{2}{3}a and 14a \frac{1}{4}a , we need a common denominator. The least common denominator of 3 and 4 is 12.
Rewriting these fractions with a denominator of 12 gives: 23a=812a \frac{2}{3}a = \frac{8}{12}a , and 14a=312a \frac{1}{4}a = \frac{3}{12}a .
Adding these gives: 812a+312a=1112a \frac{8}{12}a + \frac{3}{12}a = \frac{11}{12}a .

Step 3: Present the Final Simplified Expression:
Now, substitute back the simplified terms involving aa into the expression: 1112a+14b+18c \frac{11}{12}a + \frac{1}{4}b + \frac{1}{8}c .
Therefore, the simplified expression is 1112a+14b+18c \frac{11}{12}a + \frac{1}{4}b + \frac{1}{8}c .

This matches with choice 3 in the provided options.

The final solution is: 1112a+14b+18c \frac{11}{12}a + \frac{1}{4}b + \frac{1}{8}c .

Answer

1112a+14b+18c \frac{11}{12}a+\frac{1}{4}b+\frac{1}{8}c