Equal Parts
The parts must be fair!
For fractions, the parts must be EQUAL — exactly the same size. Fair shares!
✓ Equal halves
✗ Not equal!
Fraction parts must be equal — exactly the same size. The left bar is split into two fair halves ✓. The right bar is split unfairly ✗ — those are not halves! Equal parts is the golden rule of fractions.