Subtract 35/27 from 28/45
1st number: 28/45, 2nd number: 1 8/27
28/45 - 35/27 is -91/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
28/45 = 28 × 3/45 × 3 = 84/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
35/27 = 35 × 5/27 × 5 = 175/135 - Subtract the two like fractions:
84/135 - 175/135 = 84 - 175/135 = -91/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45-35/27 28/45-70/27 28/90-35/27 28/45-35/54 84/45-35/27 28/45-35/81