gcd of (a,b)=1 implies one of a or b is 1. Thus these fractions are 1/2, 1/3................ 1/50 49 of these

Also the prime numbers are 1,2,3,5,7,11,13,17,19,23,29,31,37,41,43,47

when 2 is divided by 3,5 .......47 we get 14 fractions with numerator 2 and gcd of fraction integers as 1.

Similarly with 3 as numerator we get 13 fractions

Similarly with 5 as numerator we get 12 fractions

Similarly with 7 as numerator we get 11 fractions

Similarly with11 as numerator we get 10 fractions

Similarly with 13 as numerator we get 9 fractions

Similarly with 17 as numerator we get 8 fractions

Similarly with 19 as numerator we get 7 fractions

Similarly with 23 as numerator we get 6 fractions

Similarly with 29 as numerator we get 5 fractions

Similarly with31 as numerator we get 4 fractions

Similarly with 37 as numerator we get 3 fractions

Similarly with 41as numerator we get 2 fractions

Similarly with 43as numerator we get 1 fractions

With prime numbers we get 105 fractions

Tptal=199 if fraction means less than one