Respuesta :

- 3/8 + 4/9

= LCM = 72

= - 3 * 9/ 8 * 9 = -27/ 72

= 4 * 8 / 9 * 8 = 32 / 72

= (-27 + 32)/ 72

= 5/72

Answer:

5/72

Step-by-step explanation:

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