Subtract 8/27 from 20/15
1st number: 1 5/15, 2nd number: 8/27
20/15 - 8/27 is 28/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
20/15 = 20 × 9/15 × 9 = 180/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
8/27 = 8 × 5/27 × 5 = 40/135 - Subtract the two like fractions:
180/135 - 40/135 = 180 - 40/135 = 140/135 - After reducing the fraction, the answer is 28/27
- In mixed form: 11/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15-8/27 20/15-16/27 20/30-8/27 20/15-8/54 60/15-8/27 20/15-24/27 20/45-8/27 20/15-8/81 20/15-40/27 20/75-8/27 20/15-56/27