Subtract 16/81 from 54/75
54/75 - 16/81 is 1058/2025.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 75 × 27 = 2025,
54/75 = 54 × 27/75 × 27 = 1458/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
16/81 = 16 × 25/81 × 25 = 400/2025 - Subtract the two like fractions:
1458/2025 - 400/2025 = 1458 - 400/2025 = 1058/2025
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/75-32/81 54/75-48/81 54/75-80/81