Subtract 5/75 from 18/9
1st number: 2 0/9, 2nd number: 5/75
18/9 - 5/75 is 29/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 75 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
18/9 = 18 × 25/9 × 25 = 450/225 - Likewise, for the 2nd fraction, since 75 × 3 = 225,
5/75 = 5 × 3/75 × 3 = 15/225 - Subtract the two like fractions:
450/225 - 15/225 = 450 - 15/225 = 435/225 - After reducing the fraction, the answer is 29/15
- In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9-5/75 18/9-10/75 54/9-5/75 18/9-15/75 18/27-5/75 90/9-5/75 18/9-25/75 18/45-5/75 18/9-35/75 18/63-5/75