Twelve eighths minus one sixth is one and one third.
29 over 72
Two and three-eighths
8/9 minus 7/8 = 1/72
1½ = Twelve eighths so the answer is seven-eighths
Two thirds minus two ninths is 4 ninths. Two thirds is 6 ninths. 6 ninths minus 2 ninths is 4 ninths.
Seven ninths minus four ninths is 1/3.
5 and 7/8
One whole is nine ninths. Nine ninths minus four ninths equals five ninths.
Two thirds is six ninths; six ninths minus four ninths is two ninths.