Question

Manish finished colouring a picture in 7by

9

hour. Vaibhav finished colouring the same picture in 3by

4

hour. Who worked longer? By what fraction was it longer?​

Answer 1

Answer:

since 3/4 > 7/9

therefore, Vaibhav worked longer

and 7/9-3/4 = 28-27/36 = 1/36

he worked more by 1/36 hrs than Manish

Answer 2

Answer:

work finished by Manish=7/9

work finished by Vaibhav=3/4

lcm of 9 and 4 to make denominator equal

7/9=28/36 and 3/4=27/36

so Manish work longer by 1/36 hour

= 28/36 - 27/36

= 28-26/36

= 1/36 hour

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