Subtract 50/45 from 7/75
1st number: 7/75, 2nd number: 1 5/45
7/75 - 50/45 is -229/225.
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,
50/45 = 50 × 5/45 × 5 = 250/225 - Subtract the two like fractions:
21/225 - 250/225 = 21 - 250/225 = -229/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/75-50/45 7/75-50/90 21/75-50/45 35/75-50/45 49/75-50/45