Subtract 7/27 from 5/80
5/80 - 7/27 is -85/432.
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,
5/80 = 5 × 27/80 × 27 = 135/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
7/27 = 7 × 80/27 × 80 = 560/2160 - Subtract the two like fractions:
135/2160 - 560/2160 = 135 - 560/2160 = -425/2160 - After reducing the fraction, the answer is -85/432
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/80-7/27 5/80-14/27 5/80-7/54 15/80-7/27 5/80-21/27 5/80-7/81 25/80-7/27 5/80-35/27 35/80-7/27 5/80-49/27