It is: 12-5/8 = 11 and 3/8 or 11.375
1
1½ = Twelve eighths so the answer is seven-eighths
5 and 7/8
40
Two and five eighths
three eighths
Five minus 3/8 is 4 5/8
23 and a half minus seven and five eighths equals 15.875
Four minus two and three-eighths equals one and five-eighths.
five eighths
three eighths
Twelve minus seven is five