Subtract 24/81 from 3/25
3/25 - 24/81 is -119/675.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 25 × 81 = 2025,
3/25 = 3 × 81/25 × 81 = 243/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
24/81 = 24 × 25/81 × 25 = 600/2025 - Subtract the two like fractions:
243/2025 - 600/2025 = 243 - 600/2025 = -357/2025 - After reducing the fraction, the answer is -119/675
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25-24/81 3/25-48/81 3/50-24/81 9/25-24/81 3/25-72/81 3/75-24/81 15/25-24/81 21/25-24/81