9/10 - 4/9 as a fraction
To subtract fractions, they need to have the same denominator. Here's how to solve 9/10 - 4/9:
1. Find the Least Common Multiple (LCM)
The LCM of 10 and 9 is 90.
2. Adjust the Fractions
- For 9/10: Multiply the numerator and denominator by 9: (9 * 9) / (10 * 9) = 81/90
- For 4/9: Multiply the numerator and denominator by 10: (4 * 10) / (9 * 10) = 40/90
3. Subtract the Fractions
Now that the fractions have the same denominator, we can subtract: 81/90 - 40/90 = 41/90
Answer
Therefore, 9/10 - 4/9 = 41/90.
