Martin wrote:
[1/8 of 1/8 would be 8 to the power of minus 2
(don't think I could do superscripts) or 1/64 etc. Pretty sneaky question if someone's not familiar with fractions.]
It was easy enough; you multiply to divide. 8 x 8 = 64.
That's another thing to bear in mind: you'll find all manner of fractions in aircraft maintenance: 64ths, 32nds, eighths, quarters, tenths, thousandths and millimetres.