Subtract 21/75 from 2/3
2/3 - 21/75 is 29/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
2/3 = 2 × 25/3 × 25 = 50/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
21/75 = 21 × 1/75 × 1 = 21/75 - Subtract the two like fractions:
50/75 - 21/75 = 50 - 21/75 = 29/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3-21/75 2/3-42/75 2/6-21/75 6/3-21/75 2/3-63/75 2/9-21/75 10/3-21/75 2/15-21/75 14/3-21/75 2/21-21/75