The least common denominator is 24. 5/6 is 20/24 and 3/8 is 9/24. Their difference is 11/24, and 12 - 7 is 5. So the answer is 5 11/24.
Seven eights is slightly larger then five sixths.
Eleven of anything minus seven of the same thing leaves four of them.
Denominator of seven eights, ie of fifty six is 1. The denominator of five sixths is 6 so the common denominator is 6.
seven eighths
_76
[56-16] forty.40
Seven sixths.
Oneand one sixth is six sixths (one in total) plus one sixth - or seven sixths. So seven sixths minus 5 sixths is 2 sixths which can also be expressed as one third.
57
2 fourths is a half. (Seven eights minus a half) 7 x 8 - 0.5 = 55.5 (Seven eights minus a half) 7/8 - 1/2 = 3/8
0.125
five twentyfourths