Find in the missing fractions :
(i)710−□=310
(ii)□+527=1227
(iii)□−57=27.
(i) 710−□=310
Let the missing fraction be x.
⇒710−x=310
⇒−x=310−710
⇒−x=−410
⇒x=410
(ii) □+527=1227
Let the missing fraction be x
⇒x+527=1227
⇒x=1227−527
⇒x=727
(iii) □−57=27
Let the missing fraction be x
⇒x−57=27
⇒x=27+57
⇒x=77=1