5+7+8(-9) answer this question
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Step-by-step explanation:
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Step-by-step explanation:
Find the least common denominator or LCM of the two denominators: LCM of 7 and 9 is 63.
For the 1st fraction, since 7 × 9 = 63, 57 = 5 × 97 × 9 = 4563.
Likewise, for the 2nd fraction, since 9 × 7 = 63, 89 = 8 × 79 × 7 = 5663.
4563 + 5663 = 45 + 5663 = 10163.
So, 5/7 + 8/9 = 101/63.
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