Subtract 7/10 from 7/27
7/27 - 7/10 is -119/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
7/27 = 7 × 10/27 × 10 = 70/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
7/10 = 7 × 27/10 × 27 = 189/270 - Subtract the two like fractions:
70/270 - 189/270 = 70 - 189/270 = -119/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27-7/10 7/27-14/10 7/54-7/10 7/27-7/20 21/27-7/10 7/27-21/10 7/81-7/10 7/27-7/30 35/27-7/10 7/27-35/10 7/27-7/50 49/27-7/10 7/27-49/10 7/27-7/70