5/6 - 4/9
Need common denominators to subtract fractions. 18 looks good here. Need form of one to convert, so,
3*5/3*6 - 2*4/2*9
15/18 - 8/18
= 7/18
------------simplest form
One whole is nine ninths. Nine ninths minus four ninths equals five ninths.
It is eight ninths.
Two thirds is six ninths; six ninths minus four ninths is two ninths.
four
one third? two sixths? three ninths? five fifteenths? six eighteenths? 33%? i could go on forever...
Five and four-ninths
One whole is nine ninths. Nine ninths minus four ninths equals five ninths.
yes
seventy-eleven and a half
Firstly, do 11 minus 4 = 7. So, now we have 7 and two ninths, minus five ninths. Much easier, 6 and 6 ninths.
Seven ninths minus four ninths is 1/3.
It is eight ninths.
1 and 1 twelth
Anything minus itself is zero.
Two thirds is six ninths; six ninths minus four ninths is two ninths.
It is: 1 -5/6 = 1/6
four