Subtract 7/27 from 3/80
3/80 - 7/27 is -479/2160.
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,
3/80 = 3 × 27/80 × 27 = 81/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
7/27 = 7 × 80/27 × 80 = 560/2160 - Subtract the two like fractions:
81/2160 - 560/2160 = 81 - 560/2160 = -479/2160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/80-7/27 3/80-14/27 3/80-7/54 9/80-7/27 3/80-21/27 3/80-7/81 15/80-7/27 3/80-35/27 21/80-7/27 3/80-49/27