{"book":"adl0290","page":272,"text":"علم حساب \n۲۶۵\nهای جدیده را با هم جمع نموده مجموعه را\nبالای مخرج متحد بنویسید پس همین حاصل جمع\nمطلوب خواهد بود :\nمثال ٧/١٥ و ١٠/٢١ و ١٦/٣٥ را جمع کنید -\nذو اضعاف اقل مخارج کسور مذکوره ۱۰۵ میباشد\nلهذا ٧/١٥ + ١٠/٢١ + ١٦/٣٥ = ٤٩/١٠٥ + ۵۰/١٠٥ +\n٤٨/١٠٥ = ٤٩ + ۵۰ + ٤٨/١٠٥ = ١٤٧/١٠٥ = ٤٩/٣٥ = ٧/٥\n= ٢ ۲/۵ حاصل جمع جواب\nتنبیه - اگر حاصل جمع کسری باشد که در\nصورت مختصر نباشد باید که اختصار آن بدرجه غایت بکنید\nو اگر حاصل کسر غیر واجب باشد آن را مرکب\nبسازید مثلاً ١٤٧/١٠٥ = ٤٩/٣٥ = ٧/٥ = ٢ ۲/۵ او غیره -\nحکم این تنبیه می باید که در جمیع عمل های\nکسور جاری کرده شود :\nامثله نمبر ۶۵\nکسور ذیل را جمع کنید :-\n(۱) ۱/٢ و ٣/٢ و ٥/٢ (۲) ٢/٧ و ٣/٧ و ٤/٧\n(۳) ۱/٩ و ٣/٩ و ٥/٩ (۴) ٤/١١ و ٢/١١ و ٨/١١","chars":676,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00272.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/272","canvas":"https://afghanpress.org/iiif/adl0290/canvas/272","source":"https://afghanistandl.nyu.edu/books/adl0290/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0290_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}