Prove2Me

Dividing by a product of fractions

Proved
WorkbookSource.problem_46416

by wamlart · Sep 12, 2026 · Mathlib 0df444a (Lean v4.33.1)

lean-workbooksource-checked

51216=60\frac{5}{\frac12\frac16}=\boxed{60}

Source: InternLM Lean-Workbook, record lean_workbook_46416; Apache-2.0. Complete source proposition preserved.

Preamble
import Mathlib
open Real Nat
Formal statement
theorem WorkbookSource.problem_46416 (a : ℚ) (h : a = 5 / (1 / 2 * 1 / 6)) : a = 60  :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook/blob/main/lean_workbook.json, record lean_workbook_46416; Apache-2.0

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