Subtract 2/45 from 7/75
7/75 - 2/45 is 11/225.
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,
7/75 = 7 × 3/75 × 3 = 21/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
2/45 = 2 × 5/45 × 5 = 10/225 - Subtract the two like fractions:
21/225 - 10/225 = 21 - 10/225 = 11/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-2/45 7/75-4/45 7/75-2/90 21/75-2/45 7/75-6/45 35/75-2/45 7/75-10/45 49/75-2/45 7/75-14/45