Subtract 1/27 from 28/80
28/80 - 1/27 is 169/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
28/80 = 28 × 27/80 × 27 = 756/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
1/27 = 1 × 80/27 × 80 = 80/2160 - Subtract the two like fractions:
756/2160 - 80/2160 = 756 - 80/2160 = 676/2160 - After reducing the fraction, the answer is 169/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80-1/27 28/80-2/27 28/80-1/54 84/80-1/27 28/80-3/27 28/80-1/81 28/80-5/27 28/80-7/27