Yes, 7.7 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 77/10 which cannot be simplified.
77 written as a fraction is 77/1
77 = 77/1
77/5
77 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
77% as a fraction is 77/100.
23.10/102 = 77/340
.77 as a fraction is 77/100
7/10
7.70 as a fraction = 77/107.7 * 10/10 = 77/10 in fraction
1.925 = 1925/1000 = 385/200 = 77/40 would be 1.925 as a fraction in its simplest form.
77/100
It can be written as a fraction, so it is rational.