304 ALGEBRA.. 



Therefore — ' zn-^ is the difiference reqiiirccl. 



33 33 SS 



%, To find the difference of and -^ — i-. 



3^ . 5c 



Here Pc—a Xs^ =z ^cx—s^c / the nu-merat« 



■ ors. 



2a — 4;vX3^ ZZ 6ab — I2hx 



And 3^X5^ zz i^bc the common denominatori 



?.v 



Til jtcy — Sac Sab—- 1 zhx ^^j^ Scx-rSac — 6ab •{• i ih 



IS be iSbc l^bc ^^ 



the difference required. 



3. Required the difFerchce of sy and-^. . Ans. ■^~. 



o 8 



4. Required the difference of ^ and — . Ans. ~-. 



1 '9 ^3 



5. Subtract -7 from —7— » Ans. — ^-7-7 '* 



^J 



^ _ , 2x4-7 r 3^ + ^ 



6, Take- — ^ from ^ ^ > 



Ans. ^4y+^^'-^Q^^--35^ 

 40^ . 



7. Take ;tf— — ^- from 3^+y. 



. , ex — bxArah 



Ans. 2«+ ^-_ 



PR0BLET4 



