8. Michael finished colouring a picture in hour. Vaibhav finished colouring the same picture in hour. Who worked longer? By what fraction was it longer?
Time taken by Michal in coloring = hours.
Time taken by Vaibhav in coloring = hours.
The LCM of 12 and 4 is 12. So making the denominator of both fraction equal to 12, we get,
For calculating by how much, we do Subtraction
Vaibhav worked longer by the fraction .
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