Question

How to parse float value to fraction in Python

Answer 1

import fractions

for s in ['0.5', '1.5', '2.0', '3.14', '4e-1']:          
    fr = fractions.Fraction(s)          
    print('{} = {}'.format(s, fr))



'''
run:

0.5 = 1/2
1.5 = 3/2
2.0 = 2
3.14 = 157/50
4e-1 = 2/5

'''

 

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Answer 2

import fractions

for s in [0.5, 1.5, 2.0, 3.14, 4e-1]:          
    print('{} = {}'.format(s, fractions.Fraction(s)))



'''
run:

0.5 = 1/2
1.5 = 3/2
2.0 = 2
3.14 = 7070651414971679/2251799813685248
0.4 = 3602879701896397/9007199254740992

'''

 

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Answer 3

import fractions

for s in ['0.5', '1.5', '2.0', '3.14', '4e-1']:          
    print('{} = {}'.format(s, fractions.Fraction(s)))



'''
run:

0.5 = 1/2
1.5 = 3/2
2.0 = 2
3.14 = 157/50
4e-1 = 2/5

'''

 

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