Subtract 54/45 from 8/75
1st number: 8/75, 2nd number: 1 9/45
8/75 - 54/45 is -82/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
8/75 = 8 × 3/75 × 3 = 24/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
54/45 = 54 × 5/45 × 5 = 270/225 - Subtract the two like fractions:
24/225 - 270/225 = 24 - 270/225 = -246/225 - After reducing the fraction, the answer is -82/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/75-54/45 8/75-54/90 24/75-54/45 40/75-54/45 56/75-54/45