2.25 metres or 225cm
Three Eights
Converting all to eights, it gives three eights minus six eights, so the answer is minus three eights.
No.
Three quarters is the simplest form for six eights. For five eights there is no simpler form.
3.75
Three six
It is: 21
Three of them.
Zero.
Yes
No, but six eights can be reduced to three fourths.
Six of them because 6/8 = 3/4