4целых14/45-1целая7/15-3/5
4¹⁴/₄₅-1⁷/₁₅-³/₅ = 2¹¹/₄₅ 4¹⁴/₄₅-1⁷/₁₅ =¹⁹⁴/₄₅-²²/₁₅ =¹⁹⁴/₄₅-²²ˣ³/₄₅ = ¹⁹⁴⁻⁶⁶/₄₅ = ¹²⁸/₄₅ ¹²⁸/₄₅ - ³/₅ = ¹²⁸/₄₅ - ³ˣ⁹/₄₅ = ¹²⁸/₄₅ - ²⁷/₄₅ = ¹²⁸⁻²⁷/₄₅ = ¹⁰¹/₄₅ = 2¹¹/₄₅
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