It is negative six and five eighths.
0.125
Three and seven eights
one sixteenth
Ten minus nine eights equals eight and seven eighths.
To do this, first we convert to twenty-eights. That gives us eight twenty-eights minus seven twenty-eights which equals one twenty-eight.
seven and five eights
1 and 3/8
Six eighths, or three fourths.
Seven eights
_76
1/2= 41/8 - 37/8= 4/8 or 1/2
[56-16] forty.40