4/9 × 6/3 + 11/27 – 18/81 =?

4/9 × 6/3 + 11/27 – 18/81 = ?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #4050