99/72 - 64/72 = 35/72
Seven ninths minus four ninths is 1/3.
three eights of four ninths = 3/8 x 4/9 = 12/72 = 1/6
3 and 7 eights
2 1/2
5 ninths
1 third = 3 ninths, 3 ninths - 2 ninths = 1 ninth.
if 4 and eight eights is subtracted by 3 and three eights, then you get 1 and five eights
1- 18th
-1 5/8
3/9 (three ninths), which can be reduced to 1/3 (one third).
3 and 5/72 = 3 and 1/14v by dividing 5 on the numerator or denominator
1 and 7 eighths