Jim ate 3/8 of pie and Jung ate 0.25 of the same pie. Shade the amounte that Jim and Jung ate. Who ate more pie?

Answer 1

1 - (3/8 + 1/4)
= 1 - (5/8)
= 3/8(unshaded)

who ate more pie:
1 - 3/8=
1 - 1/4=
the one who had a bigger value if they were to eat it alone