+---------------------------------+----+ | The resultant | 17 | +---------------------------------+----+ | To whom it shall{e} be added{e} | 10 | +---------------------------------+----+ | The nombre to be added{e} | 7 | +---------------------------------+----+ And yf it happe that a figure of .9. by the figure that me mvst adde [one] to, In the place of that 9. put a cifre {and} write þe article toward{e} þe lift hond{e} as bifore, and thus:-- +---------------------------------+----+ | The resultant | 10 | +---------------------------------+----+ | To whom it shall{e} be added{e} | 9 | +---------------------------------+----+ | The nombre to be added{e} | 1 | +---------------------------------+----+ And yf[{3}] [therefrom grow a] nombre componed,[{4}] [in the place of the nombre] put a-way[{5}][let] the digit [be][{6}]writ þ{a}t is part of þ{a}t co{m}posid{e}, and þan put to þe lift side the article as before, and þus:-- +---------------------------------+----+ | The resultant | 12 | +---------------------------------+----+ | To whom it shall{e} be added{e} | 8 | +---------------------------------+----+ | The nombre to be added{e} | 4 | +---------------------------------+----+ This done, adde the seconde to the second{e}, and write above oþ{er} as before. [Sidenote: The translator’s note.] Note wele þ{a}t in addic{i}ons and in all{e} spices folowyng, whan he seith{e} one the other shall{e} be writen aboue, and me most vse eu{er} figure, as that eu{er}y figure were sette by half{e}, and by hym-self{e}. [Headnote: Chapter III. Subtraction.] [Sidenote: Definition of Subtraction. How it may be done. What is required. Write the greater number above. Subtract the first figure if possible. If it is not possible ‘borrow ten,’ and then subtract.] Subtraccio{u}n is of .2. p{ro}posed{e} nombres, the fyndyng of the excesse of the more to the lasse: Other subtraccio{u}n is ablacio{u}n of o nombre fro a-nother, that me may see a some left. The lasse of the more, or even of even, may be w{i}t{h}draw; The more fro the lesse may neu{er} be. And sothly that nombre is more that hath{e} more figures, So that the last be signyficatife{s}: And yf ther ben as many in that one as in that other, me most deme it by the last, other by the next last. More-ou{er} in w{i}t{h}-drawyng .2. nombres ben necessary; A nombre to be w{i}t{h}draw, And a nombre that me shall{e} w{i}t{h}-draw of. The nombre to be w{i}t{h}-draw shall{e} be writ in the lower ordre by his differences; The nombre fro the which{e} me shall{e} with{e}-draw in the omyst ordre, so that the first be vnder the first, the second{e} vnder the second{e}, And so of all{e} others. With{e}-draw therfor the first of the lower{e} ordre fro the first of the ordre above his hede, and that wolle be other more or lesse, oþ{er} egall{e}.