Algoriſmus nomScd̓a regula Si nūerator maior fuerit denoīatore vt7 1245 4Miuutie plus valet qͣꝫ integrumTercia regula qn̄ numerator minor fuerit deuoīatore vt1 2TL3⁊cͣ Minutie minus inregro valētModum reductionis minutiarū diſſimiliū denoīationūad eandē denoīationem communem Et reductionem inregrorum ad minutias ⁊ econuerſo ſubiungere Reducēdominūtias vulgares diſſimilium denominationū ad eandeꝫdenominationem communem.Pl̓tiplicemꝰ denoīatorē vnius ꝑ denoīatorē alteriꝰ ⁊ ꝓductū erit denoīator cōis vtriuſ minutie vt r̄dutere volo 2ad eaudeꝫ denoīationē. multiplicoꝫ denoīatorē prīe 3 et 4minutie in 4 denoīatorem ſecunde facit 12 denoīator cōisSraūt velis ſcire quot i2 ſint in ⁊ ſil̓r in ꝫ tūc denomīatovē vnius ml̓tiplica ꝑ nūeratorē al­ 34terius per modum crucis et habebis ꝙ in ⁊ ſintꝰ et in ⁊ ſunt 912412Si po miutie pl̓es fuerity x 3 tunc iteꝝ denoīato3 4 5res ml̓tiplica ⁊ faciunt bo denoīator cōis. Si aūt placueritſcire quot ſexageſime ſint in qͣlibet minutia. tūc nūeratorē minutie ml̓tiplica in denomīatorē ꝯm̄em .ſ. 60 ꝓductūqꝫ diui-de ꝑ denoitorē eiuſdē minutie et ſic in ⁊ ſtꝭ 4o in 3 4560 4 60et in 4 ¶8 Minutias ꝟo minutiaꝝ ad ſimplices ſic reduces 60 minutias. multiplica denoīatores ꝑ ſe. ⁊ nūeratores ꝑ ſe vt reducere ſi vel̓ ad eūdeꝫ denoīatoreꝫ vnā terciāqͣrte ꝑtis vnius medietatis illo modo ſcribas 1 1Pultiplica numeratores in ſe ī numerator et3 Tdenoīatores in ſe facit ⁊⁊ denoīator et ſic vna tercia quarteꝑtis vnius medietatꝭ eſt Si vero integra ad minutias24 vulgares reducere velis nūeꝝintegroꝝ ꝑ denoīatorē minutie fiende multiplica vt ſi 4 īte