Помощь!sos! 5/7+3 6/7= 6 6/13-5 11/13 9 3/13-8 9/13= 2 15/19+1 15/19

Question

Помощь!sos! 5/7+3 6/7= 6 6/13-5 11/13 9 3/13-8 9/13= 2 15/19+1 15/19

Answer 1

⁵/₇+3⁶/₇ = 3⁵⁺⁶/₇ = 3¹¹/₇ = 4⁴/₇

6⁶/₁₃-5¹¹/₁₃ = 11⁶⁺¹¹/₁₃ = 11¹⁹/₁₃ = 12⁶/₁₃

9³/₁₃-8⁹/₁₃ = 17³⁺⁹/₁₃ = 17¹²/₁₃

2¹⁵/₁₉+1¹⁵/₁₉ = 3¹⁵⁺¹⁵/₁₉ = 3³⁰/₁₉ = 4¹¹/₁₉