9. Two Grade 6 sections collected 87 5/6kilos and 92 7/9- kilos of newspapers.
many kilos of newspaper did the two sections collect altogether?
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9. Two Grade 6 sections collected 87 5/6kilos and 92 7/9- kilos of newspapers.
many kilos of newspaper did the two sections collect altogether?
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Answer:
180 11/18
Step-by-step explanation:
87 5/6 + 92 7/9 (since 87 5/6 is just same as 87 + 5/6 then you can rearrange, separate the whole numbers so you can easily add them. Then add the fractions after)
= 87 + 92 + 5/6 + 7/9
> 5/6 + 7/9 = (15+14)/18 = 29/18 = 1 11/18 (in adding unlike fractions, you have to find their LCM or least common multiple so you can have common denominator, and the LCM of 6 and 9 is 18)
= 87 + 92 + 1 11/18
= 87 + 92 + 1 + 11/18
= 180 11/18
:
179 12/15
:
87 5/6 + 92 7/9 = 179 12/15