Respuesta :

sqdancefan
You can subtract the integer parts separately from the fraction parts. Of course, you know that 1/2 = 2/4.

(4 3/4) - (1 1/2) = (4 - 1) +(3/4 - 2/4) = 3 1/4

James will have 3 1/4 feet of rope left.