Subtract 50/27 from 56/45
1st number: 1 11/45, 2nd number: 1 23/27
56/45 - 50/27 is -82/135.
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,
56/45 = 56 × 3/45 × 3 = 168/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
50/27 = 50 × 5/27 × 5 = 250/135 - Subtract the two like fractions:
168/135 - 250/135 = 168 - 250/135 = -82/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90-50/27 56/45-50/54 56/45-50/81