Subtract 28/25 from 35/45
1st number: 35/45, 2nd number: 1 3/25
35/45 - 28/25 is -77/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
35/45 = 35 × 5/45 × 5 = 175/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
28/25 = 28 × 9/25 × 9 = 252/225 - Subtract the two like fractions:
175/225 - 252/225 = 175 - 252/225 = -77/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/45-28/25 35/45-56/25 35/90-28/25 35/45-28/50 35/45-84/25 35/45-28/75