Subtract 35/28 from 4/45
1st number: 4/45, 2nd number: 1 7/28
4/45 - 35/28 is -209/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
4/45 = 4 × 28/45 × 28 = 112/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
35/28 = 35 × 45/28 × 45 = 1575/1260 - Subtract the two like fractions:
112/1260 - 1575/1260 = 112 - 1575/1260 = -1463/1260 - After reducing the fraction, the answer is -209/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45-35/28 4/45-70/28 4/90-35/28 4/45-35/56 12/45-35/28 4/45-35/84 20/45-35/28 28/45-35/28