Subtract 18/9 from 27/75
1st number: 27/75, 2nd number: 2 0/9
27/75 - 18/9 is -41/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
27/75 = 27 × 3/75 × 3 = 81/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
18/9 = 18 × 25/9 × 25 = 450/225 - Subtract the two like fractions:
81/225 - 450/225 = 81 - 450/225 = -369/225 - After reducing the fraction, the answer is -41/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/75-18/9 27/75-36/9 81/75-18/9 27/75-54/9 27/75-18/27 27/75-90/9 27/75-18/45 27/75-18/63