Subtract 16/81 from 8/25
8/25 - 16/81 is 248/2025.
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,
8/25 = 8 × 81/25 × 81 = 648/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
16/81 = 16 × 25/81 × 25 = 400/2025 - Subtract the two like fractions:
648/2025 - 400/2025 = 648 - 400/2025 = 248/2025
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/25-16/81 8/25-32/81 8/50-16/81 24/25-16/81 8/25-48/81 8/75-16/81 40/25-16/81 8/25-80/81 56/25-16/81