Ramesh solved `2/7` part of an exercise while Seema solved `4/5` of it. Who solved less?

Ramesh solved (2)/(7) part of an exercise while seema solved (4)/(5) of it who solvedless?

Solve: 4+7/8

Solve: 4/5 + 2/3

Akriti solved 10 questions of an exercise of 40 questions. Radhika solved 2/(5) of the same exercise. Who had solved more questions and by how many?

Solve : 3/5+2/7=

Solve: 3/5+2/7

Solve: 4/9 + 2/7

Solve : 1-4/7=

Solve : 4+7/8=