\(\frac{3}{10}+\frac{7}{100}=\frac{37}{100}\)
\(7+\frac{9}{1000}=\frac{7009}{1000}\)
\(\frac{3}{10}+\frac{7}{100}=\frac{30}{100}+\frac{7}{100}=\frac{37}{100}\)
\(7+\frac{9}{1000}=\frac{7000}{1000}+\frac{9}{1000}=\frac{7009}{1000}\)
3/10 + 7/100 = 37/100
7 + 9/1000 = 7009/1000