1 7/5 would be 2 2/5.
13/5 would be the improper fraction.
27/6
2 and 3/4
This already is a mixed numeral.
It is: 3 and 14/18 = 3 and 7/9 in its simplest form
Simplest form refers to the fractional part. Find the GCF of the numerator and denominator and divide them both by it. If the GCF is 1, the fraction is in its simplest form.
4 and 1/2
99.5 as a mixed number in its simplest form is 99 and 1/2
91/60 can not be reduced any further. You can however change it into a mixed numeral. 91/60 = 1 (+) 31/60
23/9 = 25/9
10/7 = 13/7
divide the numerator by the denominator
You only have to worry about the fraction part. Find the GCF of the numerator and denominator and divide them both by it. If the GCF is 1, the fraction is in its simplest form. 4 and 4/6 = 4 and 2/3