1/3+1/5 < 1/3 : 1/5
1/3-1/4 =1/3 * 1/4
11/12-11/12 < 2/3-1/4
1/3+1/5<1/3 : 1/5
1/3-1/4=1/3 * 1/4
11/12-11/12<2/3-1/4
\(\frac{1}{3}\)+ \(\frac{1}{5}\)< \(\frac{1}{3}\): \(\frac{1}{5}\)
\(\frac{1}{3}\)- \(\frac{1}{4}\)= \(\frac{1}{3}\)x \(\frac{1}{4}\)
\(\frac{11}{12}\)- \(\frac{11}{12}\)< \(\frac{2}{3}\)- \(\frac{1}{4}\)