12 Arrange the fraction in ascending ordor \( \frac{3}{10} \frac{5}{10} \) \( \frac{9}{10} \) \( \frac{1}{10} \)

To arrange the fractions \( \frac{3}{10}, \frac{5}{10}, \frac{9}{10}, \) and \( \frac{1}{10} \) in ascending order, simply compare their numerators since they all have a common denominator of 10. Starting from the lowest, we have \( \frac{1}{10} \) as the smallest, followed by \( \frac{3}{10}, \frac{5}{10} \), and finally \( \frac{9}{10} \) as the largest. Thus, the ascending order is: \( \frac{1}{10}, \frac{3}{10}, \frac{5}{10}, \frac{9}{10}. \) In maths, fractions can sometimes be tricky, but remember the golden rule: if they share a common denominator, just focus on the numerators! It's like a race where everyone is on the same track, and you only need to look at who crosses the finish line first!