Which ratio is smaller among :
13 :27, 17 :33 , 146: 297, 157 : 297 ?
13: 27
Given : 13 :27 ⇒1327
17:33 ⇒1733
146: 297 ⇒146297
157 : 297 ⇒157297
LCM of denominators 27 , 33 and 297 = 297
1327=13×1127×11=143297
Multiply and divide 1733 by 9 we get :
1733=17×933×9=153297
Hence, the required ratio is 143297 ,153297, 146297 , 157297
Numerator 143 < 146 < 153 < 157
So, smaller fraction is 143297
143297=1327
1327⇒13:27
Answer is : 13:27