Question

an earthworm crawls 7/16 metre in the first minute and 5/16 metre in the second minute how much distance did it crawls in all

Answer 1

7/16+5/16=12/16=3/4=0.75 m

Answer 2

since the earth warm crawls 5/16m in second minute and 7/16m in the first minute
the total distance it 7/16+5/76 = 12/16 = 3/4m
hence the total distance = 3/4