Which fraction should be added to: 1/(2 × 3) + 1/(3 ×…

Which fraction should be added to: 1/(2 × 3) + 1/(3 × 4) + 1/(4 × 5) + ....... + 1/(31 × 32) so that the result is equal to 1?

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 #37227