Subtract 81/54 from 6/75
1st number: 6/75, 2nd number: 1 27/54
6/75 - 81/54 is -71/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 75 × 18 = 1350,
6/75 = 6 × 18/75 × 18 = 108/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
81/54 = 81 × 25/54 × 25 = 2025/1350 - Subtract the two like fractions:
108/1350 - 2025/1350 = 108 - 2025/1350 = -1917/1350 - After reducing the fraction, the answer is -71/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/75-81/54 18/75-81/54 30/75-81/54 42/75-81/54