Question

How to limit the denominator length when convert from float to fraction in Python

Answer 1

from fractions import Fraction as frac
import math
 
print('sqrt: ' + str(math.sqrt(frac(47, 35))))
print('frac sqrt: ' + str(frac(math.sqrt(frac(47, 35)))))
print('frac sqrt: ' + str(frac(math.sqrt(frac(47, 35))).limit_denominator(1000))) 
print('frac sqrt: ' + str(frac(math.sqrt(frac(47, 35))).limit_denominator(100))) 
 
 
'''
run:
 
sqrt: 1.1588171308956141
frac sqrt: 5218848398892035/4503599627370496
frac sqrt: 1058/913
frac sqrt: 73/63
 
'''

 

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