8 5/9 - 7 7/15
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Answer:
[tex]8 \frac{5}{9} - 7 \frac{7}{15} \\ = \frac{77}{9} - \frac{112}{15} \\ = \frac{77 \times5 }{9 \times5 } - \frac{112 \times3 }{15 \times 3} \\ = \frac{385}{45} - \frac{336}{45} \\ = \frac{385 - 336}{45} \\ = \frac{49}{45} \\ = 1 \frac{4}{45} [/tex]
The LCM of 9 and 15 is 45.
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