# \[Backport #3310\] Rational#+ sometimes returns a wrong result

**URL:** <https://www.ruby-forum.com/t/backport-3310-rational-sometimes-returns-a-wrong-result/188759>\
**Category:** Development\
**Created:** [May 18, 2010, 3:48am UTC](https://www.ruby-forum.com/t/backport-3310-rational-sometimes-returns-a-wrong-result/188759 "2010-05-18T03:48:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Yuki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/a6a055/32.png) [@Yuki\_S](https://www.ruby-forum.com/u/Yuki_S)\
**Post date:** [May 18, 2010, 3:48am UTC](https://www.ruby-forum.com/t/backport-3310-rational-sometimes-returns-a-wrong-result/188759/1 "2010-05-18T03:48:05Z")

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Backport #3310: Rational#+ sometimes returns a wrong result  
[http://redmine.ruby-lang.org/issues/show/3310](http://redmine.ruby-lang.org/issues/show/3310)

e$B5/I\<\<Te(B: Yuki S.  
e$B%9%F!\<%?%9e(B: Assigned, e$BM%@hEYe(B: Normal  
e$BC4Ev\<Te(B: Yuki S., e$B%+%F%4%je(B: core

- [http://twitter.com/beuniv/status/14168224583](http://twitter.com/beuniv/status/14168224583)
- [http://twitter.com/beuniv/status/14168327966](http://twitter.com/beuniv/status/14168327966)

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**Author:** ![Yuki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/a6a055/32.png) [@Yuki\_S](https://www.ruby-forum.com/u/Yuki_S)\
**Post date:** [May 18, 2010, 7:13am UTC](https://www.ruby-forum.com/t/backport-3310-rational-sometimes-returns-a-wrong-result/188759/2 "2010-05-18T07:13:31Z")

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e$B30=PCf$J$N$G6qBNE\*$J%j%S%8%g%sHV9f$r\<($;$^$;$s$,!":#7n$KF~$C$F$+$i;d$,e(Bnumeric.ce$B$r$$$8$C$?$d$D$,$=$&$G$9!#e(B

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**Author:** ![Yuki\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/a6a055/32.png) [@Yuki\_S](https://www.ruby-forum.com/u/Yuki_S)\
**Post date:** [May 19, 2010, 2:21am UTC](https://www.ruby-forum.com/t/backport-3310-rational-sometimes-returns-a-wrong-result/188759/3 "2010-05-19T02:21:45Z")

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In message “[ruby-dev:41336] Re: [Backport #3310] Rational#+ sometimes  
returns a wrong result”  
on May.18,2010 14:12:50, [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> e$B30=PCf$J$N$G6qBNE\*$J%j%S%8%g%sHV9f$r\<($;$^$;$s$,!":#7n$KF~$C$F$+$i;d$,e(Bnumeric.ce$B$r$$$8$C$?$d$D$,$=$&$G$9!#e(B

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