1
1½ = Twelve eighths so the answer is seven-eighths
40
5 and 7/8
Two and five eighths
three eighths
23 and a half minus seven and five eighths equals 15.875
Five minus 3/8 is 4 5/8
Four minus two and three-eighths equals one and five-eighths.
five eighths
three eighths
Twelve minus seven is five