There is a fraction which is about 511. The sum of numerator and denominator before reduction is 48. The fraction before reduction is 511______ ．

The original numerator is: 48 × 55 + 11, = 48 × 516, = 15; the original denominator is: 48 × 115 + 11, = 48 × 1116, = 33; a: the score before the approximate score is 1533

RELATED INFORMATIONS

1. The sum of the numerator and denominator of a fraction is 91. If the numerator is increased by 3 and the denominator is decreased by 3, the resulting fraction is about 34. What is the original fraction?
2. For a fraction, the sum of the numerator and denominator is 28. If the numerator subtracts 1, the fraction equals 2, and the original fraction is ()
3. What is the number a when the denominator of 13 of 27 plus a and the denominator minus a equals seven thirds?
4. 1. Add a number to the 13 / 27 numerator, subtract the same number from the denominator, and the result is 7 / 3. Find this number 2. After converting 6 / 7 into a decimal, what is the 18th digit after the decimal point? What is the 18th digit above the 2008 digit? 3. The greatest common multiple of two numbers is 120, and the least common factor is 8. One of them is 24. What's the other number?
5. Add both the numerator and denominator of 113______ It can be divided into 13
6. A fraction is 13 out of 22. After adding the same number x to the numerator and denominator, the ratio of numerator to denominator is 3:2. What is x? - 40 is not right. I hope I can make a good list of the tests and work out the results;
7. Add a number to the numerator and denominator of the fraction 1999 / 1997, and the new fraction is equal to 1999 / 2000?
8. The sum of the three fractions is two and one seventh. The fractional units of the three fractions are the same. The numerator is a continuous natural number. What are the three fractions?
9. Add a same natural number to the numerator and denominator of 1 / 13 at the same time to get another fraction equal to 1 / 2. What is the natural number?
10. The sum of two continuous natural numbers is 21, and the least common multiple of the two numbers is______ ．
11. 18 △ 3x equation
12. Add 45 to the numerator of the score 911. To make the score still equal to 911, add 45 to the denominator______ ．
13. When Ma Xiaohu solved the equation (2x-1) / 3 = (x + a) / 3-1, the - 1 on the right side of the equation was not multiplied by 3 when the denominator was removed, so he obtained the solution of the equation as x = 2 and the value of A
14. The sum of the numerator and denominator of a fraction is 25. If you add 5 to the numerator, the fraction is 1
15. When the numerator of a fraction is expanded 10 times and the denominator is reduced 10 times, it will be 10 out of 19. The original fraction is ()
16. For a simplest fraction, the sum of the numerator and denominator is 80. If the numerator and denominator are all reduced by 4, the value of the new fraction is 5 / 19. What is the original fraction It is required to write down the formula and answer, and explain clearly how it happened
17. Add the same number to the numerator and denominator of 9 / 19 at the same time, and simplify it to 2 / 3. The number added at the same time is ()
18. The numerator of a fraction is 24 less than the denominator, and after approximately 47 points, the fraction is______ ．
19. A fraction is about 7 out of 13. Given that the numerator of the original fraction is 42 smaller than the denominator, what is the original fraction? Try not to use the equation
20. A fraction is 24 less than the denominator, and it is equal to 5 / 13 after approximately dividing. What is the fraction? Don't solve the equation