Ta có :
\(\frac{1414}{1515}=\frac{1414:101}{1515:101}=\frac{14}{15}\);
\(\frac{1111}{1212}=\frac{1111:101}{1212:101}=\frac{11}{12}\)
Cả cách làm là chia đó nha
\(\frac{1414}{1515}=\frac{1414:101}{1515:101}=\frac{14}{15}\)
\(\frac{1111}{1212}=\frac{1111:101}{1212:101}=\frac{11}{12}\)
1414 : 101 14
-------------- = -----
1515 : 101 15
1111 : 101 11
-------------- = ----
1212 : 101 12
=1414:101/1515:101 =1111:101/1212:101
=14/15 =11/12
Ta có :
\(\frac{1414}{1515}=\frac{1414:101}{1515:101}=\frac{14}{15}\);
\(\frac{1111}{1212}=\frac{1111:101}{1212:101}=\frac{11}{12}\)
Đáp số : ....