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stephen4438
06.07.2019 •
Mathematics
George ate 2/3 of container of chinese food. silvia ate 1/5 of the same container of chonese foos. what fraction of the container of chinese food did they eat together?
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Ответ:
Silvia ate 3/15
They ate 13/15 total
Ответ:
The LCM of 3 and 5 is 15, as 3 * 5 is 15 and those two numbers don’t have a common denominator lower than 15.
Now multiply the numerators as well:
2*3 = 6
2/3 = 6/15
1*3 = 3
1/5 = 3/15
The question then asks for what fraction of the container of Chinese food did George and Silvia eat together, so now use addition:
Add 6/15 and 3/15.
6/15 + 3/15 = 9/15
Ответ:
This would give $ 21.34