Subtract.
78-58
The given fractions 78and 58 are like functions. To subtract two or more like fractions, we subtract their numerators, while the denominator is taken same.
Therefore,
78-58=7-58 [Taking 8 as common denominator and subtracting the numerators ]
=28
Therefore, 78-58 =28
Subtract the following:
7.70-4.85