Hiroshi is stacking bricks to make a garden wall. There are 18 bricks in all. If each brick weighs 5.3 pounds, how much do the b
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Answer:
(write them out and convert them all into mixed fractions)
(find the LCD aka least common denominator)
(add all numerators together)
(this is improper, so you need to convert back to mixed by dividing)
(this is your answer)