The decimal is 17, the fraction (if you must have one) is 17/1
The decimal is 95, exactly as in the question. 95 is an integer, not a fraction. But, if you must express it as a fraction, it is 95/1.
As a decimal it is 7. It is not really a fraction but, if you must write it as one, it can be represented by 7/1.
1/4 of a pizza.
To convert a decimal into a fraction you must multiply the numerator by the denominator.
4750 as a decimal is 4750 - the same as it was. It is an integer and it makes little sense to express it as a fraction but, if you must, you could write it as 4750/1
Energy, in the form of heat, must.
2 With a side fraction of 4/15 So 2,4/15
2.78 as an improper fraction in its simplest is: 139/50
As you divide and increase the number of decimal places, each zero is a holder of the decimal place. It must be used to take the level of accuracy of the answer to a decimal fraction that is 10 times as small as the previous decimal fraction.
485855
In standard fractions both numerator and denominator must be integers.