Subtract 1/27 from 28/20
1st number: 1 8/20, 2nd number: 1/27
28/20 - 1/27 is 184/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
28/20 = 28 × 27/20 × 27 = 756/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
1/27 = 1 × 20/27 × 20 = 20/540 - Subtract the two like fractions:
756/540 - 20/540 = 756 - 20/540 = 736/540 - After reducing the fraction, the answer is 184/135
- In mixed form: 149/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/20-1/27 28/20-2/27 28/40-1/27 28/20-1/54 84/20-1/27 28/20-3/27 28/60-1/27 28/20-1/81 28/20-5/27 28/20-7/27