Subtract 3/25 from 2/81
2/81 - 3/25 is -193/2025.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 25 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 81 × 25 = 2025,
2/81 = 2 × 25/81 × 25 = 50/2025 - Likewise, for the 2nd fraction, since 25 × 81 = 2025,
3/25 = 3 × 81/25 × 81 = 243/2025 - Subtract the two like fractions:
50/2025 - 243/2025 = 50 - 243/2025 = -193/2025
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/81-3/25 2/81-6/25 2/81-3/50 6/81-3/25 2/81-9/25 2/81-3/75 10/81-3/25 2/81-15/25 14/81-3/25 2/81-21/25