Subtract 14/9 from 21/75
1st number: 21/75, 2nd number: 1 5/9
21/75 - 14/9 is -287/225.
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,
21/75 = 21 × 3/75 × 3 = 63/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
14/9 = 14 × 25/9 × 25 = 350/225 - Subtract the two like fractions:
63/225 - 350/225 = 63 - 350/225 = -287/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75-14/9 21/75-28/9 21/75-14/18 63/75-14/9 21/75-42/9 21/75-14/27 21/75-70/9 21/75-14/45 21/75-98/9 21/75-14/63