Amri is 8 years 3 months old. The difference between Amri's age and his little brother's age is 2 years 7 months. Find his little brother's age.
SOLUTION:
Amri's age: 8 years 3 months
Little brother's age: 2 years 7 months younger than Amri
Little brother's age: = 8 years 3 months  2 years 7 months
1 YEAR = 12 MONTHS
8 years 3 months = 7 years 15 months
\(\begin{aligned} 7\,\text{years}\;15\,\text{months}\\ \underline{\;2\,\text{years\,\,}\;7\,\text{months}}\\ 5\,\text{years\,\,}\;8\,\text{months} \\\hline\end{aligned}\)
8 years 3 months  2 years 7 months = 5 years 8 months
Little brother's age: 5 years 8 months
