27 2/3 - 4 1/2
Make the fractions (2/3 and 1/2) have common denominators.
Multiply 2/3 by 2/2 and multiply 1/2 by 3/3.
- 2/3 * 2/2 = 4/6
- 1/2 * 3/3 = 3/6
Rewrite the expression with the fractions having common denominators.
27 4/6 - 4 3/6
Subtract the fractions; subtract numerators and keep the same denominators. Then subtract the whole numbers (27 - 4).
Your answer is:
23 1/6