Michael finished colouring a picture in 7/12 hour. Vaibhav finished colouring

Murali · April 9, 2019, 5:15am

Michael finished colouring a picture in $\frac { 7 }{ 12 }$ hour. Vaibhav finished colouring the same picture in $\frac { 3 }{ 4 }$ hour. Who worked longer? By what fraction was it longer?

Murali · April 9, 2019, 5:15am