At the Greenpoint Zoo's bug exhibit, Gwen watches a millipede crawl for 6 1/2 minutes, stay still for a while, and then crawl for 9 3/8 minutes more. How much total time did Gwen spend watching the millipede crawl?Write your answer as a fraction or as a whole or mixed number.
Question
At the Greenpoint Zoo's bug exhibit, Gwen watches a millipede crawl for 6 1/2 minutes, stay still for a while, and then crawl for 9 3/8 minutes more. How much total time did Gwen spend watching the millipede crawl?Write your answer as a fraction or as a whole or mixed number.
Solution
Gwen watched the millipede crawl for 6 1/2 minutes and then for an additional 9 3/8 minutes.
To find the total time Gwen spent watching the millipede crawl, you need to add these two amounts of time together.
First, convert the mixed numbers to improper fractions:
6 1/2 = 13/2 9 3/8 = 75/8
Then, find a common denominator for the two fractions. The least common multiple of 2 and 8 is 8, so convert 13/2 to 52/8.
Now, add the two fractions:
52/8 + 75/8 = 127/8
This is an improper fraction, so convert it back to a mixed number. 127 divided by 8 is 15 with a remainder of 7, so 127/8 = 15 7/8.
Therefore, Gwen spent 15 7/8 minutes watching the millipede crawl.
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